# Diseases of the circulatory system (I00-I99)Diseases of the circulatory system (I00-I99)

    Excludes2: certain conditions originating in the perinatal period (P04-P96)
       certain infectious and parasitic diseases (A00-B99)
       complications of pregnancy, childbirth and the puerperium (O00-O99)
       congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
       endocrine, nutritional and metabolic diseases (E00-E90)
       injury, poisoning and certain other consequences of external causes (S00-T98)
       neoplasms (C00-D48)
       symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
       systemic connective tissue disorders (M30-M36)
       transient cerebral ischemic attacks and related syndromes (G45.-)
    This chapter contains the following blocks:
    I00-I02 Acute rheumatic fever
    I05-I09 Chronic rheumatic heart diseases
    I10-I15 Hypertensive diseases
    I20-I25 Ischemic heart diseases
    I26-I28 Pulmonary heart disease and diseases of pulmonary circulation
    I30-I52 Other forms of heart disease
    I60-I69 Cerebrovascular diseases
    I70-I79 Diseases of arteries, arterioles and capillaries
    I80-I89 Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified
    I95-I99Other and unspecified disorders of the circulatory system

# Acute rheumatic fever (I00-I02)Acute rheumatic fever (I00-I02)
## I00 Rheumatic fever without heart involvementI00 Rheumatic fever without heart involvement

    Includes: arthritis, rheumatic, acute or subacute
    Excludes1: rheumatic fever with heart involvement (I01.0 - I01.9)

## I01 Rheumatic fever with heart involvementI01 Rheumatic fever with heart involvement

    Excludes1: chronic diseases of rheumatic origin (I05-I09) unless rheumatic fever is also present or there is evidence of reactivation or activity of the rheumatic process.
    I01.0 Acute rheumatic pericarditis
       Any condition in I00 with pericarditis
       Rheumatic pericarditis (acute)
       Excludes1: acute pericarditis not specified as rheumatic (I30.-)
    I01.1 Acute rheumatic endocarditis
       Any condition in I00 with endocarditis or valvulitis
       Acute rheumatic valvulitis
    I01.2 Acute rheumatic myocarditis
       Any condition in I00 with myocarditis
    I01.8 Other acute rheumatic heart disease
       Any condition in I00 with other or multiple types of heart involvement
       Acute rheumatic pancarditis
    I01.9 Acute rheumatic heart disease, unspecified
       Any condition in I00 with unspecified type of heart involvement
       Rheumatic carditis, acute
       Rheumatic heart disease, active or acute

## I02 Rheumatic choreaI02 Rheumatic chorea

    Includes: Sydenham's chorea
    Excludes1: chorea NOS (G25.5)
       Huntington?s chorea (G10)
    I02.0 Rheumatic chorea with heart involvement
       Chorea NOS with heart involvement
       Rheumatic chorea with heart involvement of any type classifiable under I01.-
    I02.9 Rheumatic chorea without heart involvement
       Rheumatic chorea NOS

# Chronic rheumatic heart diseases (I05-I09)Chronic rheumatic heart diseases (I05-I09)
## I05 Rheumatic mitral valve diseasesI05 Rheumatic mitral valve diseases

    Includes: conditions classifiable to both I05.0 and I05.2-I05.9, whether specified as rheumatic or not
    Excludes1: ​mitral valve disease specified as nonrheumatic (I34.-)
       mitral valve disease with aortic and/or tricuspid valve involvement (I08.-)
    I05.0 Rheumatic mitral stenosis
       Mitral (valve) obstruction (rheumatic)
    I05.1 Rheumatic mitral insufficiency
       Rheumatic mitral incompetence
       Rheumatic mitral regurgitation
       Excludes1: mitral insufficiency not specified as rheumatic (I34.0)
    I05.2 Rheumatic mitral stenosis with insufficiency
       Rheumatic mitral stenosis with incompetence or regurgitation
    I05.8 Other rheumatic mitral valve diseases
       Rheumatic mitral (valve) failure
    I05.9 Rheumatic mitral valve disease, unspecified
       Rheumatic mitral (valve) disorder (chronic) NOS

## I06 Rheumatic aortic valve diseasesI06 Rheumatic aortic valve diseases

       Excludes1: aortic valve disease not specified as rheumatic (I35.-)
          aortic valve disease with mitral and/or tricuspid valve involvement (I08.-)
    I06.0 Rheumatic aortic stenosis
       Rheumatic aortic (valve) obstruction
    I06.1 Rheumatic aortic insufficiency
       Rheumatic aortic incompetence
       Rheumatic aortic regurgitation
    I06.2 Rheumatic aortic stenosis with insufficiency
       Rheumatic aortic stenosis with incompetence or regurgitation
    I06.8 Other rheumatic aortic valve diseases
    I06.9 Rheumatic aortic valve disease, unspecified
       Rheumatic aortic (valve) disease NOS

## I07 Rheumatic tricuspid valve diseasesI07 Rheumatic tricuspid valve diseases

    Includes: rheumatic tricuspid valve diseases specified as rheumatic or unspecified
    Excludes1: tricuspid valve disease specified as nonrheumatic (I36.-)
       tricuspid valve disease with aortic and/or mitral valve involvement (I08.-)
    I07.0 Rheumatic tricuspid stenosis
       Tricuspid (valve) stenosis (rheumatic)
    I07.1 Rheumatic tricuspid insufficiency
       Tricuspid (valve) insufficiency (rheumatic)
    I07.2 Rheumatic tricuspid stenosis and insufficiency
    I07.8 Other rheumatic tricuspid valve diseases
    I07.9 Rheumatic tricuspid valve disease, unspecified
       Rheumatic tricuspid valve disorder NOS

## I08 Multiple valve diseasesI08 Multiple valve diseases

    Includes: ​multiple valve diseases specified as rheumatic or unspecified
    Excludes1: endocarditis, valve unspecified (I38)
       multiple valve disease specified a nonrheumatic (I34.-, I35.-, I36.-, I37.-, I38.-, Q22.-, Q23.-, Q24.8-)
       rheumatic valve disease NOS (I09.1)
    I08.0 Rheumatic disorders of both mitral and aortic valves
       Involvement of both mitral and aortic valves specified as rheumatic or unspecified
    I08.1 Rheumatic disorders of both mitral and tricuspid valves
    I08.2 Rheumatic disorders of both aortic and tricuspid valves
    I08.3 Combined rheumatic disorders of mitral, aortic and tricuspid valves
    I08.8 Other rheumatic multiple valve diseases
    I08.9 Rheumatic multiple valve disease, unspecified

## I09 Other rheumatic heart diseasesI09 Other rheumatic heart diseases

    I09.0 Rheumatic myocarditis
       Excludes1: myocarditis not specified as rheumatic (I51.4)
    I09.1 Rheumatic diseases of endocardium, valve unspecified
       Rheumatic endocarditis (chronic)
       Rheumatic valvulitis (chronic)
       Excludes1: endocarditis, valve unspecified (I38)
    I09.2 Chronic rheumatic pericarditis
       Adherent pericardium, rheumatic
       Chronic rheumatic mediastinopericarditis
       Chronic rheumatic myopericarditis
       Excludes1: chronic pericarditis not specified as rheumatic (I31.-)
    I09.8 Other specified rheumatic heart diseases
       I09.81 Rheumatic heart failure
          Use additional code to identify type of heart failure (I50.-)
       I09.89 Other specified rheumatic heart diseases
          Rheumatic disease of pulmonary valve
    I09.9 Rheumatic heart disease, unspecified
       Rheumatic carditis
       Excludes1: rheumatoid carditis (M05.31)

# Hypertensive diseases (I10-I15)Hypertensive diseases (I10-I15)

    Use additional code to identify:
       exposure to environmental tobacco smoke (Z77.22)
       history of tobacco use (Z87.891)
       occupational exposure to environmental tobacco smoke (Z57.31)
       tobacco dependence (F17.-)
       tobacco use (Z72.0)
    Excludes1: hypertensive disease complicating pregnancy, childbirth and the puerperium (O10-O11, O13-O16)
       neonatal ​hypertension (P29.2)
       primary pulmonary hypertension (I27.0)

## I10 Essential (primary) hypertensionI10 Essential (primary) hypertension

    Includes: high blood pressure
       hypertension (arterial) (benign) (essential) (malignant) (primary) (systemic)
    Excludes1: hypertensive disease complicating pregnancy, childbirth and the puerperium (O10-O11, O13-O16)
    Excludes2: essential (primary) hypertension involving vessels of brain (I60-I69)
       essential (primary) hypertension involving vessels of eye (H35.0)

## I11 Hypertensive heart diseaseI11 Hypertensive heart disease

    Includes: any condition in I51.4-I51.9 due to hypertension
    I11.0 Hypertensive heart disease with heart failure
       Hypertensive heart failure
       Use additional code to identify type of heart failure (I50.-)
    I11.9 Hypertensive heart disease without heart failure
       Hypertensive heart disease NOS

## I12 Hypertensive chronic kidney diseaseI12 Hypertensive chronic kidney disease

    Includes: any condition in N18.- due to hypertension
       arteriosclerosis of kidney
       arteriosclerotic nephritis (chronic) (interstitial)
       hypertensive nephropathy
       nephrosclerosis
    Excludes1: hypertension due to kidney disease (I15.0, I15.1)
       renovascular hypertension (I15.0)
       secondary hypertension (I15.-)
    Excludes2: acute kidney failure (N17.-)
    I12.0 Hypertensive chronic kidney disease with stage 5 chronic kidney disease or end stage renal disease
       Use additional code to identify the stage of chronic kidney disease (N18.5, N18.6)
    I12.9 Hypertensive chronic kidney disease with stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease
       Hypertensive chronic kidney disease NOS
       Hypertensive renal disease NOS
       Use additional code to identify the stage of chronic kidney disease (N18.1-N18.4, N18.9)

## I13 Hypertensive heart and chronic kidney diseaseI13 Hypertensive heart and chronic kidney disease

    Includes: any condition in I11.- with any condition in I12.-
       cardiorenal disease
       cardiovascular renal disease
    I13. ​0 Hypertensive heart and chronic kidney disease with heart failure and stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease
       Use additional code to identify type of heart failure (I50.-)
       Use additional code to identify stage of chronic kidney disease (N18.1-N18.4, N18.9)
    I13.1 Hypertensive heart and chronic kidney disease without heart failure
       I13.10 Hypertensive heart and chronic kidney disease without heart failure, with stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease
          Hypertensive heart disease and hypertensive chronic kidney disease NOS
          Use additional code to identify the stage of chronic kidney disease (N18.1-N18.4, N18.9)
       I13.11 Hypertensive heart and chronic kidney disease without heart failure, with stage 5 chronic kidney disease, or end stage renal disease
          Use additional code to identify the stage of chronic kidney disease (N18.5, N18.6)
    I13.2 Hypertensive heart and chronic kidney disease with heart failure and with stage 5 chronic kidney disease, or end stage renal disease
       Use additional code to identify type of heart failure (I50.-)
       Use additional code to identify the stage of chronic kidney disease (N18.5, N18.6)

## I15 Secondary hypertensionI15 Secondary hypertension

    Code also underlying condition
    Excludes1: postprocedural hypertension (I97.3)
    Excludes2: secondary hypertension involving vessels of brain (I60-I69)
       secondary hypertension involving vessels of eye (H35.0)
    I15.0 Renovascular hypertension
    I15.1 Hypertension secondary to other renal disorders
    I15.2 Hypertension secondary to endocrine disorders
    I15.8 Other secondary hypertension
    I15.9 Secondary hypertension, unspecified

# Ischemic heart diseases (I20-I25)Ischemic heart diseases (I20-I25)

    Use additional code to identify presence of hypertension (I10-I15)

## I20 Angina pectorisI20 Angina pectoris

    Use additional code to identify:
       exposure to environmental tobacco smoke (Z77.22)
       history of tobacco use (Z87.891)
       occupational exposure to environmental tobacco smoke (Z57.31)
       tobacco ​dependence (F17.-)
       tobacco use (Z72.0)
    Excludes1: angina pectoris with atherosclerotic heart disease of native coronary arteries (I25.1-)
       atherosclerosis of coronary artery bypass graft(s) and coronary artery of transplanted heart with angina pectoris (I25.7-)
       postinfarction angina (I23.7)
    I20.0 Unstable angina
       Accelerated angina
       Crescendo angina
       De novo effort angina
       Intermediate coronary syndrome
       Preinfarction syndrome
       Worsening effort angina
    I20.1 Angina pectoris with documented spasm
       Angiospastic angina
       Prinzmetal angina
       Spasm-induced angina
       Variant angina
    I20.8 Other forms of angina pectoris
       Angina equivalent
       Angina of effort
       Stenocardia
       Use additional code(s) for symptoms associated with angina equivalent
    I20.9 Angina pectoris, unspecified
       Angina NOS
       Anginal syndrome
       Cardiac angina
       Ischemic chest pain

## I21 ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarctionI21 ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction

    Includes: cardiac infarction
       coronary (artery) embolism
       coronary (artery) occlusion
       coronary (artery) rupture
       coronary (artery) thrombosis
       infarction of heart, myocardium, or ventricle
       myocardial infarction specified as acute or with a stated duration of 4 weeks (28 days) or less from onset
    Use additional code, if applicable, to identify:
       exposure to environmental tobacco smoke (Z77.22)
       history of tobacco use (Z87.891)
       occupational exposure to environmental tobacco smoke (Z57.31)
       status post administration of tPA (rtPA) in a different facility within the last 24 hours prior to admission to current facility (Z92.82)
       tobacco ​dependence (F17.-)
       tobacco use (Z72.0)
    Use additional code, if known, to identify:
       body mass index (BMI) (Z68.-)
    Excludes2: old myocardial infarction (I25.2)
       postmyocardial infarction syndrome (I24.1)
       subsequent myocardial infarction (I22.-)
    I21.0 ST elevation (STEMI) myocardial infarction of anterior wall
       I21.01 ST elevation (STEMI) myocardial infarction involving left main coronary artery
       I21.02 ST elevation (STEMI) myocardial infarction involving left anterior descending coronary artery
          ST elevation (STEMI) myocardial infarction involving diagonal coronary artery
       I21.09 ST elevation (STEMI) myocardial infarction involving other coronary artery of anterior wall
          Acute transmural myocardial infarction of anterior wall
          Anteroapical transmural (Q wave) infarction (acute)
          Anterolateral transmural (Q wave) infarction (acute)
          Anteroseptal transmural (Q wave) infarction (acute)
          Transmural (Q wave) infarction (acute) (of) anterior (wall) NOS
    I21.1 ST elevation (STEMI) myocardial infarction of inferior wall
       I21.11 ST elevation (STEMI) myocardial infarction involving right coronary artery
          Inferoposterior transmural (Q wave) infarction (acute)
       I21.19 ST elevation (STEMI) myocardial infarction involving other coronary artery of inferior wall
          Acute transmural myocardial infarction of inferior wall
          Inferolateral transmural (Q wave) infarction (acute)
          Transmural (Q wave) infarction (acute) (of) diaphragmatic wall
          Transmural (Q wave) infarction (acute) (of) inferior (wall) NOS
          Excludes2: ST elevation (STEMI) myocardial infarction involving left circumflex coronary artery (I21.21)
    I21.2 ST elevation (STEMI) myocardial infarction of other sites
       I21.21 ST elevation (STEMI) myocardial infarction involving left circumflex coronary artery
          ST elevation (STEMI) myocardial infarction involving oblique marginal coronary artery
       I21.29 ST elevation (STEMI) myocardial infarction involving other sites
          Acute transmural myocardial infarction of other sites
          Apical-lateral transmural (Q wave) infarction (acute)
          Basal-lateral transmural (Q wave) infarction (acute)
          High lateral transmural (Q wave) infarction (acute)
          Lateral (wall) NOS transmural (Q wave) infarction (acute)
          Posterior (true) transmural (Q wave) infarction (acute)
          Posterobasal ​transmural (Q wave) infarction (acute)
          Posterolateral transmural (Q wave) infarction (acute)
          Posteroseptal transmural (Q wave) infarction (acute)
          Septal transmural (Q wave) infarction (acute) NOS
    I21.3 ST elevation (STEMI) myocardial infarction of unspecified site
       Acute transmural myocardial infarction of unspecified site
       Myocardial infarction (acute) NOS
       Transmural (Q wave) myocardial infarction NOS
    I21.4 Non-ST elevation (NSTEMI) myocardial infarction
       Acute subendocardial myocardial infarction
       Non-Q wave myocardial infarction NOS
       Nontransmural myocardial infarction NOS

## I22 Subsequent ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarctionI22 Subsequent ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction

    Includes: acute myocardial infarction occurring within four weeks (28 days) of a previous acute myocardial infarction, regardless of site
       cardiac infarction
       coronary (artery) embolism
       coronary (artery) occlusion
       coronary (artery) rupture
       coronary (artery) thrombosis
       infarction of heart, myocardium, or ventricle
       recurrent myocardial infarction
       reinfarction of myocardium
       rupture of heart, myocardium, or ventricle
    note: A code from category I22 must be used in conjunction with a code from category I21. The I22 code should be sequenced first, if it the reason for encounter, or, it should be sequenced after the I21 code if the subsequent MI occurs during the encounter for the initial MI.
    Use additional code, if applicable, to identify:
       exposure to environmental tobacco smoke (Z77.22)
       history of tobacco use (Z87.891)
       occupational exposure to environmental tobacco smoke (Z57.31)
       status post administration of tPA (rtPA) in a different facility within the last 24 hours prior to admission to current facility (Z92.82)
       tobacco dependence (F17.-)
       tobacco use (Z72.0)
    Use additional code, if known, to identify:
       body mass index (BMI) (Z68.-)
    I22.0 Subsequent ST elevation (STEMI) myocardial infarction of anterior wall
       Subsequent acute transmural myocardial infarction of anterior wall
       Subsequent transmural (Q wave) infarction (acute)(of) anterior (wall) NOS
       Subsequent ​anteroapical transmural (Q wave) infarction (acute)
       Subsequent anterolateral transmural (Q wave) infarction (acute)
       Subsequent anteroseptal transmural (Q wave) infarction (acute)
    I22.1 Subsequent ST elevation (STEMI) myocardial infarction of inferior wall
       Subsequent acute transmural myocardial infarction of inferior wall
       Subsequent transmural (Q wave) infarction (acute)(of) diaphragmatic wall
       Subsequent transmural (Q wave) infarction (acute)(of) inferior (wall) NOS
       Subsequent inferolateral transmural (Q wave) infarction (acute)
       Subsequent inferoposterior transmural (Q wave) infarction (acute)
    I22.2 Subsequent non-ST elevation (NSTEMI) myocardial infarction
       Subsequent acute subendocardial myocardial infarction
       Subsequent non-Q wave myocardial infarction NOS
       Subsequent nontransmural myocardial infarction NOS
    I22.8 Subsequent ST elevation (STEMI) myocardial infarction of other sites
       Subsequent acute transmural myocardial infarction of other sites
       Subsequent apical-lateral transmural (Q wave) myocardial infarction (acute)
       Subsequent basal-lateral transmural (Q wave) myocardial infarction (acute)
       Subsequent high lateral transmural (Q wave) myocardial infarction (acute)
       Subsequent transmural (Q wave) myocardial infarction (acute)(of) lateral (wall) NOS
       Subsequent posterior (true)transmural (Q wave) myocardial infarction (acute)
       Subsequent posterobasal transmural (Q wave) myocardial infarction (acute)
       Subsequent posterolateral transmural (Q wave) myocardial infarction (acute)
       Subsequent posteroseptal transmural (Q wave) myocardial infarction (acute)
       Subsequent septal NOS transmural (Q wave) myocardial infarction (acute)
    I22.9 Subsequent ST elevation (STEMI) myocardial infarction of unspecified site
       Subsequent acute myocardial infarction of unspecified site
       Subsequent myocardial infarction (acute) NOS

## I23 Certain current complications following ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction (within the 28 day period)I23 Certain current complications following ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction (within the 28 day period)

    note: A code from category I23 must be used in conjunction with a code from category I21 or category I22. The I23 code should be sequenced first, if it is ​the reason for encounter, or, it should be sequenced after the I21 or I22 code if the complication of the MI occurs during the encounter for the MI.
    I23.0 Hemopericardium as current complication following acute myocardial infarction
       Excludes1: hemopericardium not specified as current complication following acute myocardial infarction (I31.2)
    I23.1 Atrial septal defect as current complication following acute myocardial infarction
       Excludes1: acquired atrial septal defect not specified as current complication following acute myocardial infarction (I51.0)
    I23.2 Ventricular septal defect as current complication following acute myocardial infarction
       Excludes1: acquired ventricular septal defect not specified as current complication following acute myocardial infarction (I51.0)
    I23.3 Rupture of cardiac wall without hemopericardium as current complication following acute myocardial infarction
    I23.4 Rupture of chordae tendineae as current complication following acute myocardial infarction
       Excludes1: rupture of chordae tendineae not specified as current complication following acute myocardial infarction (I51.1)
    I23.5 Rupture of papillary muscle as current complication following acute myocardial infarction
       Excludes1: rupture of papillary muscle not specified as current complication following acute myocardial infarction (I51.2)
    I23.6 Thrombosis of atrium, auricular appendage, and ventricle as current complications following acute myocardial infarction
       Excludes1: thrombosis of atrium, auricular appendage, and ventricle not specified as current complication following acute myocardial infarction (I51.3)
    I23.7 Postinfarction angina
    I23.8 Other current complications following acute myocardial infarction

## I24 Other acute ischemic heart diseasesI24 Other acute ischemic heart diseases

    Excludes1: angina pectoris (I20.-)
       transient myocardial ischemia in newborn (P29.4)
    I24.0 Acute coronary thrombosis not resulting in myocardial infarction
       Acute coronary (artery) (vein) embolism not resulting in myocardial infarction
       Acute coronary (artery) (vein) occlusion not resulting in myocardial infarction
       Acute coronary (artery) (vein) thromboembolism not resulting in myocardial infarction
       Excludes1: atherosclerotic heart disease (I25.1-)
    I24.1 Dressler's syndrome
       Postmyocardial infarction syndrome
       Excludes1: ​postinfarction angina (I23.7)
    I24.8 Other forms of acute ischemic heart disease
    I24.9 Acute ischemic heart disease, unspecified
    Excludes1: ischemic heart disease (chronic) NOS (I25.9)

## I25 Chronic ischemic heart diseaseI25 Chronic ischemic heart disease

    Use additional code to identify:
       chronic total occlusion of coronary artery (I25.82)
       exposure to environmental tobacco smoke (Z77.22)
       history of tobacco use (Z87.891)
       occupational exposure to environmental tobacco smoke (Z57.31)
       tobacco dependence (F17.-)
       tobacco use (Z72.0)
    I25.1 Atherosclerotic heart disease of native coronary artery
       Atherosclerotic cardiovascular disease
       Coronary (artery) atheroma
       Coronary (artery) atherosclerosis
       Coronary (artery) disease
       Coronary (artery) sclerosis
       Use additional code, if applicable, to identify coronary atherosclerosis due to lipid rich plaque (I25.83)
       Excludes2: atheroembolism (I75.-)
          atherosclerosis of coronary artery bypass graft(s) and transplanted heart (I25.7-)
       I25.10 Atherosclerotic heart disease of native coronary artery without angina pectoris
          Atherosclerotic heart disease NOS
       I25.11 Atherosclerotic heart disease of native coronary artery with angina pectoris
          I25.110 Atherosclerotic heart disease of native coronary artery with unstable angina pectoris
             Excludes1: unstable angina without atherosclerotic heart disease (I20.0)
          I25.111 Atherosclerotic heart disease of native coronary artery with angina pectoris with documented spasm
             Excludes1: angina pectoris with documented spasm without atherosclerotic heart disease (I20.1)
          I25.118 Atherosclerotic heart disease of native coronary artery with other forms of angina pectoris
             Excludes1: other forms of angina pectoris without atherosclerotic heart disease (I20.8)
          I25. ​119 Atherosclerotic heart disease of native coronary artery with unspecified angina pectoris
             Atherosclerotic heart disease with angina NOS
             Atherosclerotic heart disease with ischemic chest pain
             Excludes1: unspecified angina pectoris without atherosclerotic heart disease (I20.9)
    I25.2 Old myocardial infarction
       Healed myocardial infarction
       Past myocardial infarction diagnosed by ECG or other investigation, but currently presenting no symptoms
    I25.3 Aneurysm of heart
       Mural aneurysm
       Ventricular aneurysm
    I25.4 Coronary artery aneurysm and dissection
       I25.41 Coronary artery aneurysm
          Coronary arteriovenous fistula, acquired
          Excludes1: congenital coronary (artery) aneurysm (Q24.5)
       I25.42 Coronary artery dissection
    I25.5 Ischemic cardiomyopathy
       Excludes2: coronary atherosclerosis (I25.1-, I25.7-)
    I25.6 Silent myocardial ischemia
    I25.7 Atherosclerosis of coronary artery bypass graft(s) and coronary artery of transplanted heart with angina pectoris
       Use additional code, if applicable, to identify coronary atherosclerosis due to lipid rich plaque (I25.83)
       Excludes1: atherosclerosis of bypass graft(s) of transplanted heart without angina pectoris (I25.812)
          atherosclerosis of coronary artery bypass graft(s) without angina pectoris (I25.810)
          atherosclerosis of native coronary artery of transplanted heart without angina pectoris (I25.811)
          embolism or thrombus of coronary artery bypass graft(s) (T82.8-)
       I25.70 Atherosclerosis of coronary artery bypass graft(s), unspecified, with angina pectoris
          I25.700 Atherosclerosis of coronary artery bypass graft(s), unspecified, with unstable angina pectoris
             Excludes1: unstable angina pectoris without atherosclerosis of coronary artery bypass graft (I20.0)
          I25. ​701 Atherosclerosis of coronary artery bypass graft(s), unspecified, with angina pectoris with documented spasm
             Excludes1: angina pectoris with documented spasm without atherosclerosis of coronary artery bypass graft (I20.1)
          I25.708 Atherosclerosis of coronary artery bypass graft(s), unspecified, with other forms of angina pectoris
             Excludes1: other forms of angina pectoris without atherosclerosis of coronary artery bypass graft (I20.8)
          I25.709 Atherosclerosis of coronary artery bypass graft(s), unspecified, with unspecified angina pectoris
             Excludes1: unspecified angina pectoris without atherosclerosis of coronary artery bypass graft (I20.9)
       I25.71 Atherosclerosis of autologous vein coronary artery bypass graft(s) with angina pectoris
          I25.710 Atherosclerosis of autologous vein coronary artery bypass graft(s) with unstable angina pectoris
             Excludes1: unstable angina without atherosclerosis of autologous vein coronary artery bypass graft(s) (I20.0)
          I25.711 Atherosclerosis of autologous vein coronary artery bypass graft(s) with angina pectoris with documented spasm
             Excludes1: angina pectoris with documented spasm without atherosclerosis of autologous vein coronary artery bypass graft(s) (I20.1)
          I25.718 Atherosclerosis of autologous vein coronary artery bypass graft(s) with other forms of angina pectoris
             Excludes1: other forms of angina pectoris without atherosclerosis of autologous vein coronary artery bypass graft(s)(I20.8)
          I25.719 Atherosclerosis of autologous vein coronary artery bypass graft(s) with unspecified angina pectoris
             Excludes1: unspecified angina pectoris without atherosclerosis of autologous
                vein ​coronary artery bypass graft(s) (I20.9)
       I25.72 Atherosclerosis of autologous artery coronary artery bypass graft(s) with angina pectoris
          Atherosclerosis of internal mammary artery graft with angina pectoris
          I25.720 Atherosclerosis of autologous artery coronary artery bypass graft(s) with unstable angina pectoris
             Excludes1: unstable angina without atherosclerosis of autologous artery coronary artery bypass graft(s) (I20.0)
          I25.721 Atherosclerosis of autologous artery coronary artery bypass graft(s) with angina pectoris with documented spasm
             Excludes1: angina pectoris with documented spasm without atherosclerosis of autologous artery coronary artery bypass graft(s) (I20.1)
          I25.728 Atherosclerosis of autologous artery coronary artery bypass graft(s) with other forms of angina pectoris
             Excludes1: other forms of angina pectoris without atherosclerosis of autologous artery coronary artery bypass graft(s) (I20.8)
          I25.729 Atherosclerosis of autologous artery coronary artery bypass graft(s) with unspecified angina pectoris
             Excludes1: unspecified angina pectoris without atherosclerosis of autologous artery coronary artery bypass graft(s) (I20.9)
       I25.73 Atherosclerosis of nonautologous biological coronary artery bypass graft(s) with angina pectoris
          I25.730 Atherosclerosis of nonautologous biological coronary artery bypass graft(s) with unstable angina pectoris
             Excludes1: unstable angina without atherosclerosis of nonautologous biological coronary artery bypass graft(s) (I20.0)
          I25.731 Atherosclerosis of nonautologous biological coronary artery bypass graft(s)
             with ​angina pectoris with documented spasm
             Excludes1: angina pectoris with documented spasm without atherosclerosis of nonautologous biological coronary artery bypass graft(s) (I20.1)
          I25.738 Atherosclerosis of nonautologous biological coronary artery bypass graft(s) with other forms of angina pectoris
             Excludes1: other forms of angina pectoris without atherosclerosis of nonautologous biological coronary artery bypass graft(s) (I20.8)
          I25.739 Atherosclerosis of nonautologous biological coronary artery bypass graft(s) with unspecified angina pectoris
             Excludes1: unspecified angina pectoris without atherosclerosis of nonautologous biological coronary artery bypass graft(s) (I20.9)
       I25.75 Atherosclerosis of native coronary artery of transplanted heart with angina pectoris
          Excludes1: atherosclerosis of native coronary artery of transplanted heart without angina pectoris (I25.811)
          I25.750 Atherosclerosis of native coronary artery of transplanted heart with unstable angina
          I25.751 Atherosclerosis of native coronary artery of transplanted heart with angina pectoris with documented spasm
          I25.758 Atherosclerosis of native coronary artery of transplanted heart with other forms of angina pectoris
          I25.759 Atherosclerosis of native coronary artery of transplanted heart with unspecified angina pectoris
       I25.76 Atherosclerosis of bypass graft of coronary artery of transplanted heart with angina pectoris
          Excludes1: atherosclerosis of bypass graft of coronary artery of transplanted heart without angina pectoris (I25.812)
          I25.760 Atherosclerosis of bypass graft of coronary artery of transplanted heart with unstable angina
          I25. ​761 Atherosclerosis of bypass graft of coronary artery of transplanted heart with angina pectoris with documented spasm
          I25.768 Atherosclerosis of bypass graft of coronary artery of transplanted heart with other forms of angina pectoris
          I25.769 Atherosclerosis of bypass graft of coronary artery of transplanted heart with unspecified angina pectoris
       I25.79 Atherosclerosis of other coronary artery bypass graft(s) with angina pectoris
          I25.790 Atherosclerosis of other coronary artery bypass graft(s) with unstable angina pectoris
             Excludes1: unstable angina without atherosclerosis of other coronary artery bypass graft(s) (I20.0)
          I25.791 Atherosclerosis of other coronary artery bypass graft(s) with angina pectoris with documented spasm
             Excludes1: angina pectoris with documented spasm without atherosclerosis of other coronary artery bypass graft(s) (I20.1)
          I25.798 Atherosclerosis of other coronary artery bypass graft(s) with other forms of angina pectoris
             Excludes1: other forms of angina pectoris without atherosclerosis of other coronary artery bypass graft(s)(I20.8)
          I25.799 Atherosclerosis of other coronary artery bypass graft(s) with unspecified angina pectoris
             Excludes1: unspecified angina pectoris without atherosclerosis of other coronary artery bypass graft(s) (I20.9)
    I25.8 Other forms of chronic ischemic heart disease
       I25.81 Atherosclerosis of other coronary vessels without angina pectoris
          Use additional code, if applicable, to identify coronary atherosclerosis due to lipid rich plaque (I25.83)
          Excludes1: atherosclerotic heart disease of native coronary artery without angina pectoris (I25.10)
          I25.810 Atherosclerosis of coronary artery bypass graft(s) without angina pectoris
             Atherosclerosis ​of coronary artery bypass graft NOS
             Excludes1: atherosclerosis of coronary bypass graft(s) with angina pectoris (I25.70--I25.73-, I25.79-)
          I25.811 Atherosclerosis of native coronary artery of transplanted heart without angina pectoris
             Atherosclerosis of native coronary artery of transplanted heart NOS
             Excludes1: atherosclerosis of native coronary artery of transplanted heart with angina pectoris (I25.75-)
          I25.812 Atherosclerosis of bypass graft of coronary artery of transplanted heart without angina pectoris
             Atherosclerosis of bypass graft of transplanted heart NOS
             Excludes1: atherosclerosis of bypass graft of transplanted heart with angina pectoris (I25.76)
       I25.82 Chronic total occlusion of coronary artery
             Complete occlusion of coronary artery
             Total occlusion of coronary artery
             Code first coronary atherosclerosis (I25.1-, I25.7-, I25.81-)
             Excludes1: acute coronary occulsion with myocardial infarction (I21.-, I22.-)
                acute coronary occulsion without myocardial infarction (I24.0)
       I25.83 Coronary atherosclerosis due to lipid rich plaque
          Code first coronary atherosclerosis (I25.1-, I25.7-, I25.81-)
       I25.89 Other forms of chronic ischemic heart disease
    I25.9 Chronic ischemic heart disease, unspecified
       Ischemic heart disease (chronic) NOS

# Pulmonary heart disease and diseases of pulmonary circulation (I26-I28)Pulmonary heart disease and diseases of pulmonary circulation (I26-I28)
## I26 Pulmonary embolismI26 Pulmonary embolism

    Includes: (acute) pulmonary (artery)(vein) infarction
       (acute) pulmonary (artery)(vein) thromboembolism
       (acute) pulmonary (artery)(vein) thrombosis
    Excludes2: ​chronic pulmonary embolism (I27.82)
       personal history of pulmonary embolism (Z86.71)
       pulmonary embolism due to trauma (T79.0, T79.1)
       pulmonary embolism due to complications of surgical and medical care (T80.0, T81.7-, T82.8-)
       pulmonary embolism complicating:
       abortion, ectopic or molar pregnancy (O00-O07, O08.2)
       pregnancy, childbirth and the puerperium (O88.-)
       septic (non-pulmonary) arterial embolism (I76)
    I26.0 Pulmonary embolism with acute cor pulmonale
       I26.01 Septic pulmonary embolism with acute cor pulmonale
          Code first underlying infection
       I26.09 Other pulmonary embolism with acute cor pulmonale
          Acute cor pulmonale NOS
    I26.9 Pulmonary embolism without acute cor pulmonale
       I26.90 Septic pulmonary embolism without acute cor pulmonale
          Code first underlying infection
       I26.99 Other pulmonary embolism without acute cor pulmonale
          Acute pulmonary embolism NOS
          Pulmonary embolism NOS

## I27 Other pulmonary heart diseasesI27 Other pulmonary heart diseases

    I27.0 Primary pulmonary hypertension
    I27.1 Kyphoscoliotic heart disease
    I27.2 Other secondary pulmonary hypertension
       Code also associated underlying condition
    I27.8 Other specified pulmonary heart diseases
       I27.81 Cor pulmonale (chronic)
          Cor pulmonale NOS
          Excludes1: acute cor pulmonale (I26.0-)
       I27.82 Chronic pulmonary embolism
          Use additional code, if applicable, for associated long-term (current) use of anticoagulants (Z79.01)
          Excludes1: personal history of pulmonary embolism (Z86.71)
       I27.89 Other specified pulmonary heart diseases
          Eisenmenger's complex
          Eisenmenger's syndrome
          Excludes1: Eisenmenger's defect (Q21.8)
    I27.9 Pulmonary heart disease, unspecified
       Chronic cardiopulmonary disease

## I28 Other diseases of pulmonary vesselsI28 Other diseases of pulmonary vessels

    I28.0 Arteriovenous fistula of pulmonary vessels
       Excludes1: congenital arteriovenous fistula (Q25.7)
    I28. ​1 Aneurysm of pulmonary artery
       Excludes1: congenital aneurysm (Q25.7)
    I28.8 Other diseases of pulmonary vessels
       Pulmonary arteritis
       Pulmonary endarteritis
       Rupture of pulmonary vessels
       Stenosis of pulmonary vessels
       Stricture of pulmonary vessels
    I28.9 Disease of pulmonary vessels, unspecified

# Other forms of heart disease (I30-I52)Other forms of heart disease (I30-I52)
## I30 Acute pericarditisI30 Acute pericarditis

    Includes: acute mediastinopericarditis
       acute myopericarditis
       acute pericardial effusion
       acute pleuropericarditis
       acute pneumopericarditis
    Excludes1: Dressler's syndrome (I24.1)
       rheumatic pericarditis (acute) (I01.0)
    I30.0 Acute nonspecific idiopathic pericarditis
    I30.1 Infective pericarditis
       Pneumococcal pericarditis
       Pneumopyopericardium
       Purulent pericarditis
       Pyopericarditis
       Pyopericardium
       Pyopneumopericardium
       Staphylococcal pericarditis
       Streptococcal pericarditis
       Suppurative pericarditis
       Viral pericarditis
       Use additional code (B95-B97) to identify infectious agent
    I30.8 Other forms of acute pericarditis
    I30.9 Acute pericarditis, unspecified

## I31 Other diseases of pericardiumI31 Other diseases of pericardium

    Excludes1: diseases of pericardium specified as rheumatic (I09.2)
       postcardiotomy syndrome (I97.0)
       traumatic injury to pericardium (S26.-)
    I31.0 Chronic adhesive pericarditis
       Accretio cordis
       Adherent pericardium
       Adhesive mediastinopericarditis
    I31.1 Chronic constrictive pericarditis
       Concretio cordis
       Pericardial ​calcification
    I31.2 Hemopericardium, not elsewhere classified
       Excludes1: hemopericardium as current complication following acute myocardial infarction (I23.0)
    I31.3 Pericardial effusion (noninflammatory)
       Chylopericardium
       Excludes1: acute pericardial effusion (I30.9)
    I31.4 Cardiac tamponade
       Code first underlying cause
    I31.8 Other specified diseases of pericardium
       Epicardial plaques
       Focal pericardial adhesions
    I31.9 Disease of pericardium, unspecified
       Pericarditis (chronic) NOS

## I32 Pericarditis in diseases classified elsewhereI32 Pericarditis in diseases classified elsewhere

    Code first underlying disease
    Excludes1: pericarditis (in):
       coxsackie (virus) (B33.23)
       gonococcal (A54.83)
       meningococcal (A39.53)
       rheumatoid (arthritis) (M05.31)
       syphilitic (A52.06)
       systemic lupus erythematosus (M32.12)
       tuberculosis (A18.84)

## I33 Acute and subacute endocarditisI33 Acute and subacute endocarditis

    Excludes1: acute rheumatic endocarditis (I01.1)
       endocarditis NOS (I38)
    I33.0 Acute and subacute infective endocarditis
       Bacterial endocarditis (acute) (subacute)
       Infective endocarditis (acute) (subacute) NOS
       Endocarditis lenta (acute) (subacute)
       Malignant endocarditis (acute) (subacute)
       Purulent endocarditis (acute) (subacute)
       Septic endocarditis (acute) (subacute)
       Ulcerative endocarditis (acute) (subacute)
       Vegetative endocarditis (acute) (subacute)
       Use additional code (B95-B97) to identify infectious agent
    I33.9 Acute and subacute endocarditis, unspecified
       Acute endocarditis NOS
       Acute myoendocarditis NOS
       Acute periendocarditis NOS
       Subacute endocarditis NOS
       Subacute myoendocarditis NOS
       Subacute periendocarditis NOS

## I34 ​Nonrheumatic mitral valve disorders

    Excludes1: mitral valve disease (I05.9)
       mitral valve failure (I05.8)
       mitral valve stenosis (I05.0)
       mitral valve disorder of unspecified cause with diseases of aortic and/or tricuspid valve(s) (I08.-)
       mitral valve disorder of unspecified cause with mitral stenosis or obstruction (I05.0)
       mitral valve disorder specified as congenital (Q23.2, Q23.3)
       mitral valve disorder specified as rheumatic (I05.-)
    I34.0 Nonrheumatic mitral (valve) insufficiency
       Nonrheumatic mitral (valve) incompetence NOS
       Nonrheumatic mitral (valve) regurgitation NOS
    I34.1 Nonrheumatic mitral (valve) prolapse
       Floppy nonrheumatic mitral valve syndrome
       Excludes1: Marfan's syndrome (Q87.4-)
    I34.2 Nonrheumatic mitral (valve) stenosis
    I34.8 Other nonrheumatic mitral valve disorders
    I34.9 Nonrheumatic mitral valve disorder, unspecified

## I35 Nonrheumatic aortic valve disordersI35 Nonrheumatic aortic valve disorders

    Excludes1: aortic valve disorder of unspecified cause but with diseases of mitral and/or tricuspid valve(s) (I08.-)
       aortic valve disorder specified as congenital (Q23.0, Q23.1)
       aortic valve disorder specified as rheumatic (I06.-)
       hypertrophic subaortic stenosis (I42.1)
    I35.0 Nonrheumatic aortic (valve) stenosis
    I35.1 Nonrheumatic aortic (valve) insufficiency
       Nonrheumatic aortic (valve) incompetence NOS
       Nonrheumatic aortic (valve) regurgitation NOS
    I35.2 Nonrheumatic aortic (valve) stenosis with insufficiency
    I35.8 Other nonrheumatic aortic valve disorders
    I35.9 Nonrheumatic aortic valve disorder, unspecified

## I36 Nonrheumatic tricuspid valve disordersI36 Nonrheumatic tricuspid valve disorders

    Excludes1: tricuspid valve disorders of unspecified cause (I07.-)
       tricuspid valve disorders specified as congenital (Q22.4, Q22.8, Q22.9)
       tricuspid valve disorders specified as rheumatic (I07.-)
       tricuspid valve disorders with aortic and/or mitral valve involvement (I08.-)
    I36.0 Nonrheumatic tricuspid (valve) stenosis
    I36.1 Nonrheumatic tricuspid (valve) insufficiency
       Nonrheumatic tricuspid (valve) incompetence
       Nonrheumatic tricuspid (valve) regurgitation
    I36.2 Nonrheumatic tricuspid (valve) stenosis with insufficiency
    I36.8 Other nonrheumatic tricuspid valve disorders
    I36. ​9 Nonrheumatic tricuspid valve disorder, unspecified

## I37 Nonrheumatic pulmonary valve disordersI37 Nonrheumatic pulmonary valve disorders

    Excludes1: pulmonary valve disorder specified as congenital (Q22.1, Q22.2, Q22.3)
       pulmonary valve disorder specified as rheumatic (I09.89)
    I37.0 Nonrheumatic pulmonary valve stenosis
    I37.1 Nonrheumatic pulmonary valve insufficiency
       Nonrheumatic pulmonary valve incompetence
       Nonrheumatic pulmonary valve regurgitation
    I37.2 Nonrheumatic pulmonary valve stenosis with insufficiency
    I37.8 Other nonrheumatic pulmonary valve disorders
    I37.9 Nonrheumatic pulmonary valve disorder, unspecified

## I38 Endocarditis, valve unspecifiedI38 Endocarditis, valve unspecified

    Includes: endocarditis (chronic) NOS
       valvular incompetence NOS
       valvular insufficiency NOS
       valvular regurgitation NOS
       valvular stenosis NOS
       valvulitis (chronic) NOS
    Excludes1: congenital insufficiency of cardiac valve NOS (Q24.8)
       congenital stenosis of cardiac valve NOS (Q24.8)
       endocardial fibroelastosis (I42.4)
       endocarditis specified as rheumatic (I09.1)

## I39 Endocarditis and heart valve disorders in diseases classified elsewhereI39 Endocarditis and heart valve disorders in diseases classified elsewhere

    Code first underlying disease, such as:
       Q fever (A78)
    Excludes1: endocardial involvement in:
       candidiasis (B37.6)
       gonococcal infection (A54.83)
       Libman-Sacks disease (M32.11)
       listerosis (A32.82)
       meningococcal infection (A39.51)
       rheumatoid arthritis (M05.31)
       syphilis (A52.03)
       tuberculosis (A18.84)
       typhoid fever (A01.02)

## I40 Acute myocarditisI40 Acute myocarditis

    Includes: subacute myocarditis
    Excludes1: acute rheumatic myocarditis (I01.2)
    I40.0 Infective myocarditis
       Septic myocarditis
       Use additional code (B95-B97) to identify infectious agent
    I40. ​1 Isolated myocarditis
       Fiedler's myocarditis
       Giant cell myocarditis
       Idiopathic myocarditis
    I40.8 Other acute myocarditis
    I40.9 Acute myocarditis, unspecified

## I41 Myocarditis in diseases classified elsewhereI41 Myocarditis in diseases classified elsewhere

    Code first underlying disease, such as:
       typhus (A75.0-A75.9)
    Excludes1: myocarditis (in):
       Chagas' disease (chronic) (B57.2)
       acute (B57.0)
       coxsackie (virus) infection (B33.22)
       diphtheritic (A36.81)
       gonococcal (A54.83)
       influenzal (J10.89)
       meningococcal (A39.52)
       mumps (B26.82)
       rheumatoid arthritis (M05.31)
       sarcoid (D86.85)
       syphilis (A52.06)
       toxoplasmosis (B58.81)
       tuberculous (A18.84)

## I42 CardiomyopathyI42 Cardiomyopathy

    Includes: myocardiopathy
    Code first cardiomyopathy complicating pregnancy and puerperium (O99.4)
    Excludes1: ischemic cardiomyopathy (I25.5)
       peripartum cardiomyopathy (O90.3)
    I42.0 Dilated cardiomyopathy
       Congestive cardiomyopathy
    I42.1 Obstructive hypertrophic cardiomyopathy
       Hypertrophic subaortic stenosis
    I42.2 Other hypertrophic cardiomyopathy
       Nonobstructive hypertrophic cardiomyopathy
    I42.3 Endomyocardial (eosinophilic) disease
       Endomyocardial (tropical) fibrosis
       Löffler's endocarditis
    I42.4 Endocardial fibroelastosis
       Congenital cardiomyopathy
       Elastomyofibrosis
    I42.5 Other restrictive cardiomyopathy
       Constrictive cardiomyopathy NOS
    I42.6 Alcoholic cardiomyopathy
       Code also presence of alcoholism (F10.-)
    I42.7 Cardiomyopathy due to drug and external agent
       Code ​first (T36-T65) to identify cause
    I42.8 Other cardiomyopathies
    I42.9 Cardiomyopathy, unspecified
       Cardiomyopathy (primary) (secondary) NOS

## I43 Cardiomyopathy in diseases classified elsewhereI43 Cardiomyopathy in diseases classified elsewhere

    Code first underlying disease, such as:
       amyloidosis (E85.-)
       glycogen storage disease (E74.0)
       gout (M10.0-)
       thyrotoxicosis (E05.0--E05.9-)
    Excludes1: cardiomyopathy (in):
       coxsackie (virus) (B33.24)
       diphtheria (A36.81)
       sarcoidosis (D86.85)
       tuberculosis (A18.84)

## I44 Atrioventricular and left bundle-branch blockI44 Atrioventricular and left bundle-branch block

    I44.0 Atrioventricular block, first degree
    I44.1 Atrioventricular block, second degree
       Atrioventricular block, type I and II
       M?bitz block, type I and II
       Second degree block, type I and II
       Wenckebach's block
    I44.2 Atrioventricular block, complete
       Complete heart block NOS
       Third degree block
    I44.3 Other and unspecified atrioventricular block
       Atrioventricular block NOS
       I44.30 Unspecified atrioventricular block
       I44.39 Other atrioventricular block
    I44.4 Left anterior fascicular block
    I44.5 Left posterior fascicular block
    I44.6 Other and unspecified fascicular block
       I44.60 Unspecified fascicular block
          Left bundle-branch hemiblock NOS
       I44.69 Other fascicular block
    I44.7 Left bundle-branch block, unspecified

## I45 Other conduction disordersI45 Other conduction disorders

    I45.0 Right fascicular block
    I45.1 Other and unspecified right bundle-branch block
       I45.10 Unspecified right bundle-branch block
          Right bundle-branch block NOS
       I45.19 Other right bundle-branch block
    I45.2 Bifascicular block
    I45.3 Trifascicular block
    I45. ​4 Nonspecific intraventricular block
       Bundle-branch block NOS
    I45.5 Other specified heart block
       Sinoatrial block
       Sinoauricular block
       Excludes1: heart block NOS (I45.9)
    I45.6 Pre-excitation syndrome
       Accelerated atrioventricular conduction
       Accessory atrioventricular conduction
       Anomalous atrioventricular excitation
       Lown-Ganong-Levine syndrome
       Pre-excitation atrioventricular conduction
       Wolff-Parkinson-White syndrome
    I45.8 Other specified conduction disorders
       I45.81 Long QT syndrome
       I45.89 Other specified conduction disorders
          Atrioventricular [AV] dissociation
          Interference dissociation
          Isorhythmic dissociation
          Nonparoxysmal AV nodal tachycardia
    I45.9 Conduction disorder, unspecified
       Heart block NOS
       Stokes-Adams syndrome

## I46 Cardiac arrestI46 Cardiac arrest

    Excludes1: cardiogenic shock (R57.0)
    I46.2 Cardiac arrest due to underlying cardiac condition
       Code first underlying cardiac condition
    I46.8 Cardiac arrest due to other underlying condition
       Code first underlying condition
    I46.9 Cardiac arrest, cause unspecified

## I47 Paroxysmal tachycardiaI47 Paroxysmal tachycardia

    Code first tachycardia complicating:
       abortion or ectopic or molar pregnancy (O00-O07, O08.8)
       obstetric surgery and procedures (O75.4)
    Excludes1: tachycardia:
       NOS (R00.0)
       sinoauricular NOS (R00.0)
       sinus [sinusal] NOS (R00.0)
    I47.0 Re-entry ventricular arrhythmia
    I47.1 Supraventricular tachycardia
       Atrial paroxysmal tachycardia
       Atrioventricular [AV] paroxysmal tachycardia
       Junctional paroxysmal tachycardia
       Nodal paroxysmal tachycardia
    I47.2 Ventricular tachycardia
    I47. ​9 Paroxysmal tachycardia, unspecified
       Bouveret (-Hoffman) syndrome

## I48 Atrial fibrillation and flutterI48 Atrial fibrillation and flutter

    I48.0 Atrial fibrillation
    I48.1 Atrial flutter

## I49 Other cardiac arrhythmiasI49 Other cardiac arrhythmias

    Code first cardiac arrhythmia complicating:
       abortion or ectopic or molar pregnancy (O00-O07, O08.8)
       obstetric surgery and procedures (O75.4)
    Excludes1: bradycardia:
       NOS (R00.1)
       sinoatrial (R00.1)
       sinus (R00.1)
       vagal (R00.1)
       neonatal dysrhythmia (P29.1)
    I49.0 Ventricular fibrillation and flutter
       I49.01 Ventricular fibrillation
       I49.02 Ventricular flutter
    I49.1 Atrial premature depolarization
       Atrial premature beats
    I49.2 Junctional premature depolarization
    I49.3 Ventricular premature depolarization
    I49.4 Other and unspecified premature depolarization
       I49.40 Unspecified premature depolarization
          Premature beats NOS
       I49.49 Other premature depolarization
          Ectopic beats
          Extrasystoles
          Extrasystolic arrhythmias
          Premature contractions
    I49.5 Sick sinus syndrome
       Tachycardia-bradycardia syndrome
    I49.8 Other specified cardiac arrhythmias
       Coronary sinus rhythm disorder
       Ectopic rhythm disorder
       Nodal rhythm disorder
    I49.9 Cardiac arrhythmia, unspecified
       Arrhythmia (cardiac) NOS

## I50 Heart failureI50 Heart failure

    Code first: heart failure complicating abortion or ectopic or molar pregnancy (O00-O07, O08.8)
       heart failure following surgery (I97.13-)
       heart failure due to hypertension (I11.0)
       heart failure due to hypertension with chronic kidney disease (I13.-)
       obstetric ​surgery and procedures (O75.4)
       rheumatic heart failure (I09.81)
    Excludes1: cardiac arrest (I46.-)
       neonatal cardiac failure (P29.0)
    I50.1 Left ventricular failure
       Cardiac asthma
       Edema of lung with heart disease NOS
       Edema of lung with heart failure
       Left heart failure
       Pulmonary edema with heart disease NOS
       Pulmonary edema with heart failure
       Excludes1: edema of lung without heart disease or heart failure (J81.-)
          pulmonary edema without heart disease or failure (J81.-)
    I50.2 Systolic (congestive) heart failure
       Excludes1: combined systolic (congestive) and diastolic (congestive) heart failure (I50.4-)
       I50.20 Unspecified systolic (congestive) heart failure
       I50.21 Acute systolic (congestive) heart failure
       I50.22 Chronic systolic (congestive) heart failure
       I50.23 Acute on chronic systolic (congestive) heart failure
    I50.3 Diastolic (congestive) heart failure
       Excludes1: combined systolic (congestive) and diastolic (congestive) heart failure (I50.4-)
       I50.30 Unspecified diastolic (congestive) heart failure
       I50.31 Acute diastolic (congestive) heart failure
       I50.32 Chronic diastolic (congestive) heart failure
       I50.33 Acute on chronic diastolic (congestive) heart failure
    I50.4 Combined systolic (congestive) and diastolic (congestive) heart failure
       I50.40 Unspecified combined systolic (congestive) and diastolic (congestive) heart failure
       I50.41 Acute combined systolic (congestive) and diastolic (congestive) heart failure
       I50.42 Chronic combined systolic (congestive) and diastolic (congestive) heart failure
       I50.43 Acute on chronic combined systolic (congestive) and diastolic (congestive) heart failure
    I50.9 Heart failure, unspecified
       Biventricular (heart) failure NOS
       Cardiac, heart or myocardial failure NOS
       Congestive heart disease
       Congestive heart failure NOS
       Right ventricular failure (secondary to left heart failure)
       Excludes1: fluid overload (E87.7)

## I51 Complications and ill-defined descriptions of heart diseaseI51 Complications and ill-defined descriptions of heart disease

    Excludes1: any condition in I51.4-I51.9 due to hypertension (I11.-)
       any ​condition in I51.4-I51.9 due to hypertension and chronic kidney disease (I13.-)
       heart disease specified as rheumatic (I00-I09)
    I51.0 Cardiac septal defect, acquired
       Acquired septal atrial defect (old)
       Acquired septal auricular defect (old)
       Acquired septal ventricular defect (old)
       Excludes1: cardiac septal defect as current complication following acute myocardial infarction (I23.1, I23.2)
    I51.1 Rupture of chordae tendineae, not elsewhere classified
       Excludes1: rupture of chordae tendineae as current complication following acute myocardial infarction (I23.4)
    I51.2 Rupture of papillary muscle, not elsewhere classified
       Excludes1: rupture of papillary muscle as current complication following acute myocardial infarction (I23.5)
    I51.3 Intracardiac thrombosis, not elsewhere classified
       Apical thrombosis (old)
       Atrial thrombosis (old)
       Auricular thrombosis (old)
       Mural thrombosis (old)
       Ventricular thrombosis (old)
       Excludes1: intracardiac thrombosis as current complication following acute myocardial infarction (I23.6)
    I51.4 Myocarditis, unspecified
       Chronic (interstitial) myocarditis
       Myocardial fibrosis
       Myocarditis NOS
       Excludes1: acute or subacute myocarditis (I40.-)
    I51.5 Myocardial degeneration
       Fatty degeneration of heart or myocardium
       Myocardial disease
       Senile degeneration of heart or myocardium
    I51.7 Cardiomegaly
       Cardiac dilatation
       Cardiac hypertrophy
       Ventricular dilatation
    I51.8 Other ill-defined heart diseases
       I51.81 Takotsubo syndrome
          Reversible left ventricular dysfunction following sudden emotional stress
          Stress induced cardiomyopathy
          Takotsubo cardiomyopathy
          Transient left ventricular apical ballooning syndrome
       I51.89 Other ill-defined heart diseases
          Carditis (acute)(chronic)
          Pancarditis (acute)(chronic)
    I51. ​9 Heart disease, unspecified

## I52 Other heart disorders in diseases classified elsewhereI52 Other heart disorders in diseases classified elsewhere

    Code first underlying disease, such as:
       congenital syphilis (A50.5)
       mucopolysaccharidosis (E76.3)
       schistosomiasis (B65.0-B65.9)
    Excludes1: heart disease (in):
       gonococcal infection (A54.83)
       meningococcal infection (A39.50)
       rheumatoid arthritis (M05.31)
       syphilis (A52.06)

# Cerebrovascular diseases (I60-I69)Cerebrovascular diseases (I60-I69)

    Use additional code to identify presence of:
       alcohol abuse and dependence (F10.-)
       exposure to environmental tobacco smoke (Z77.22)
       history of tobacco use (Z87.891)
       hypertension (I10-I15)
       occupational exposure to environmental tobacco smoke (Z57.31)
       tobacco dependence (F17.-)
       tobacco use (Z72.0)
    Excludes1: transient cerebral ischemic attacks and related syndromes (G45.-)
       traumatic intracranial hemorrhage (S06.-)

## I60 Nontraumatic subarachnoid hemorrhageI60 Nontraumatic subarachnoid hemorrhage

    Includes: ruptured cerebral aneurysm
    Excludes1: sequelae of subarachnoid hemorrhage (I69.0-)
       syphilitic ruptured cerebral aneurysm (A52.05)
    I60.0 Nontraumatic subarachnoid hemorrhage from carotid siphon and bifurcation
       I60.00 Nontraumatic subarachnoid hemorrhage from unspecified carotid siphon and bifurcation
       I60.01 Nontraumatic subarachnoid hemorrhage from right carotid siphon and bifurcation
       I60.02 Nontraumatic subarachnoid hemorrhage from left carotid siphon and bifurcation
    I60.1 Nontraumatic subarachnoid hemorrhage from middle cerebral artery
       I60.10 Nontraumatic subarachnoid hemorrhage from unspecified middle cerebral artery
       I60.11 Nontraumatic subarachnoid hemorrhage from right middle cerebral artery
       I60.12 Nontraumatic subarachnoid hemorrhage from left middle cerebral artery
    I60. ​2 Nontraumatic subarachnoid hemorrhage from anterior communicating artery
       I60.20 Nontraumatic subarachnoid hemorrhage from unspecified anterior communicating artery
       I60.21 Nontraumatic subarachnoid hemorrhage from right anterior communicating artery
       I60.22 Nontraumatic subarachnoid hemorrhage from left anterior communicating artery
    I60.3 Nontraumatic subarachnoid hemorrhage from posterior communicating artery
       I60.30 Nontraumatic subarachnoid hemorrhage from unspecified posterior communicating artery
       I60.31 Nontraumatic subarachnoid hemorrhage from right posterior communicating artery
       I60.32 Nontraumatic subarachnoid hemorrhage from left posterior communicating artery
    I60.4 Nontraumatic subarachnoid hemorrhage from basilar artery
    I60.5 Nontraumatic subarachnoid hemorrhage from vertebral artery
       I60.50 Nontraumatic subarachnoid hemorrhage from unspecified vertebral artery
       I60.51 Nontraumatic subarachnoid hemorrhage from right vertebral artery
       I60.52 Nontraumatic subarachnoid hemorrhage from left vertebral artery
    I60.6 Nontraumatic subarachnoid hemorrhage from other intracranial arteries
    I60.7 Nontraumatic subarachnoid hemorrhage from unspecified intracranial artery
       Ruptured (congenital) berry aneurysm
       Ruptured (congenital) cerebral aneurysm
       Subarachnoid hemorrhage (nontraumatic) from cerebral artery NOS
       Subarachnoid hemorrhage (nontraumatic) from communicating artery NOS
    I60.8 Other nontraumatic subarachnoid hemorrhage
       Meningeal hemorrhage
       Rupture of cerebral arteriovenous malformation
    I60.9 Nontraumatic subarachnoid hemorrhage, unspecified

## I61 Nontraumatic intracerebral hemorrhageI61 Nontraumatic intracerebral hemorrhage

    Excludes1: sequelae of intracerebral hemorrhage (I69.1-)
    I61.0 Nontraumatic intracerebral hemorrhage in hemisphere, subcortical
       Deep intracerebral hemorrhage (nontraumatic)
    I61.1 Nontraumatic intracerebral hemorrhage in hemisphere, cortical
       Cerebral lobe hemorrhage (nontraumatic)
       Superficial intracerebral hemorrhage (nontraumatic)
    I61. ​2 Nontraumatic intracerebral hemorrhage in hemisphere, unspecified
    I61.3 Nontraumatic intracerebral hemorrhage in brain stem
    I61.4 Nontraumatic intracerebral hemorrhage in cerebellum
    I61.5 Nontraumatic intracerebral hemorrhage, intraventricular
    I61.6 Nontraumatic intracerebral hemorrhage, multiple localized
    I61.8 Other nontraumatic intracerebral hemorrhage
    I61.9 Nontraumatic intracerebral hemorrhage, unspecified

## I62 Other and unspecified nontraumatic intracranial hemorrhageI62 Other and unspecified nontraumatic intracranial hemorrhage

    Excludes1: sequelae of intracranial hemorrhage (I69.2)
    I62.0 Nontraumatic subdural hemorrhage
       I62.00 Nontraumatic subdural hemorrhage, unspecified
       I62.01 Nontraumatic acute subdural hemorrhage
       I62.02 Nontraumatic subacute subdural hemorrhage
       I62.03 Nontraumatic chronic subdural hemorrhage
    I62.1 Nontraumatic extradural hemorrhage
       Nontraumatic epidural hemorrhage
    I62.9 Nontraumatic intracranial hemorrhage, unspecified

## I63 Cerebral infarctionI63 Cerebral infarction

    Includes: occlusion and stenosis of cerebral and precerebral arteries, resulting in cerebral infarction
    Use additional code, if applicable, to identify status post administration of tPA (rtPA) in a different facility within the last 24 hours prior to admission to current facility (Z92.82)
    Excludes1: sequelae of cerebral infarction (I69.3-)
    I63.0 Cerebral infarction due to thrombosis of precerebral arteries
       I63.00 Cerebral infarction due to thrombosis of unspecified precerebral artery
       I63.01 Cerebral infarction due to thrombosis of vertebral artery
          I63.011 Cerebral infarction due to thrombosis of right vertebral artery
          I63.012 Cerebral infarction due to thrombosis of left vertebral artery
          I63.019 Cerebral infarction due to thrombosis of unspecified vertebral artery
       I63.02 Cerebral infarction due to thrombosis of basilar artery
       I63.03 Cerebral infarction due to thrombosis of carotid artery
          I63.031 Cerebral infarction due to thrombosis of right carotid artery
          I63.032 Cerebral infarction due to thrombosis of left carotid artery ​
          I63.039 Cerebral infarction due to thrombosis of unspecified carotid artery
       I63.09 Cerebral infarction due to thrombosis of other precerebral artery
    I63.1 Cerebral infarction due to embolism of precerebral arteries
       I63.10 Cerebral infarction due to embolism of unspecified precerebral artery
       I63.11 Cerebral infarction due to embolism of vertebral artery
          I63.111 Cerebral infarction due to embolism of left vertebral artery
          I63.112 Cerebral infarction due to embolism of right vertebral artery
          I63.119 Cerebral infarction due to embolism of unspecified vertebral artery
       I63.12 Cerebral infarction due to embolism of basilar artery
       I63.13 Cerebral infarction due to embolism of carotid artery
          I63.131 Cerebral infarction due to embolism of right carotid artery
          I63.132 Cerebral infarction due to embolism of left carotid artery
          I63.139 Cerebral infarction due to embolism of unspecified carotid artery
       I63.19 Cerebral infarction due to embolism of other precerebral artery
    I63.2 Cerebral infarction due to unspecified occlusion or stenosis of precerebral arteries
       I63.20 Cerebral infarction due to unspecified occlusion or stenosis of unspecified precerebral arteries
       I63.21 Cerebral infarction due to unspecified occlusion or stenosis of vertebral arteries
          I63.211 Cerebral infarction due to unspecified occlusion or stenosis of right vertebral arteries
          I63.212 Cerebral infarction due to unspecified occlusion or stenosis of left vertebral arteries
          I63.219 Cerebral infarction due to unspecified occlusion or stenosis of unspecified vertebral arteries
       I63.22 Cerebral infarction due to unspecified occlusion or stenosis of basilar arteries
       I63.23 Cerebral infarction due to unspecified occlusion or stenosis of carotid arteries
          I63. ​231 Cerebral infarction due to unspecified occlusion or stenosis of right carotid arteries
          I63.232 Cerebral infarction due to unspecified occlusion or stenosis of left carotid arteries
          I63.239 Cerebral infarction due to unspecified occlusion or stenosis of unspecified carotid arteries
       I63.29 Cerebral infarction due to unspecified occlusion or stenosis of other precerebral arteries
    I63.3 Cerebral infarction due to thrombosis of cerebral arteries
       I63.30 Cerebral infarction due to thrombosis of unspecified cerebral artery
       I63.31 Cerebral infarction due to thrombosis of middle cerebral artery
          I63.311 Cerebral infarction due to thrombosis of right middle cerebral artery
          I63.312 Cerebral infarction due to thrombosis of left middle cerebral artery
          I63.319 Cerebral infarction due to thrombosis of unspecified middle cerebral artery
       I63.32 Cerebral infarction due to thrombosis of anterior cerebral artery
          I63.321 Cerebral infarction due to thrombosis of right anterior cerebral artery
          I63.322 Cerebral infarction due to thrombosis of left anterior cerebral artery
          I63.329 Cerebral infarction due to thrombosis of unspecified anterior cerebral artery
       I63.33 Cerebral infarction due to thrombosis of posterior cerebral artery
          I63.331 Cerebral infarction due to thrombosis of right posterior cerebral artery
          I63.332 Cerebral infarction due to thrombosis of left posterior cerebral artery
          I63.339 Cerebral infarction due to thrombosis of unspecified posterior cerebral artery
       I63.34 Cerebral infarction due to thrombosis of cerebellar artery
          I63.341 Cerebral infarction due to thrombosis of right cerebellar artery
          I63.342 Cerebral infarction due to thrombosis of left cerebellar artery
          I63.349 Cerebral infarction due to thrombosis of unspecified cerebellar artery
       I63. ​39 Cerebral infarction due to thrombosis of other cerebral artery
    I63.4 Cerebral infarction due to embolism of cerebral arteries
       I63.40 Cerebral infarction due to embolism of unspecified cerebral artery
       I63.41 Cerebral infarction due to embolism of middle cerebral artery
          I63.411 Cerebral infarction due to embolism of right middle cerebral artery
          I63.412 Cerebral infarction due to embolism of left middle cerebral artery
          I63.419 Cerebral infarction due to embolism of unspecified middle cerebral artery
       I63.42 Cerebral infarction due to embolism of anterior cerebral artery
          I63.421 Cerebral infarction due to embolism of right anterior cerebral artery
          I63.422 Cerebral infarction due to embolism of left anterior cerebral artery
          I63.429 Cerebral infarction due to embolism of unspecified anterior cerebral artery
       I63.43 Cerebral infarction due to embolism of posterior cerebral artery
          I63.431 Cerebral infarction due to embolism of right posterior cerebral artery
          I63.432 Cerebral infarction due to embolism of left posterior cerebral artery
          I63.439 Cerebral infarction due to embolism of unspecified posterior cerebral artery
       I63.44 Cerebral infarction due to embolism of cerebellar artery
          I63.441 Cerebral infarction due to embolism of right cerebellar artery
          I63.442 Cerebral infarction due to embolism of left cerebellar artery
          I63.449 Cerebral infarction due to embolism of unspecified cerebellar artery
       I63.49 Cerebral infarction due to embolism of other cerebral artery
    I63.5 Cerebral infarction due to unspecified occlusion or stenosis of cerebral arteries
       I63.50 Cerebral infarction due to unspecified occlusion or stenosis of unspecified cerebral artery
       I63.51 Cerebral infarction due to unspecified occlusion or stenosis of middle cerebral artery
          I63. ​511 Cerebral infarction due to unspecified occlusion or stenosis of right middle cerebral artery
          I63.512 Cerebral infarction due to unspecified occlusion or stenosis of left middle cerebral artery
          I63.519 Cerebral infarction due to unspecified occlusion or stenosis of unspecified middle cerebral artery
       I63.52 Cerebral infarction due to unspecified occlusion or stenosis of anterior cerebral artery
          I63.521 Cerebral infarction due to unspecified occlusion or stenosis of right anterior cerebral artery
          I63.522 Cerebral infarction due to unspecified occlusion or stenosis of left anterior cerebral artery
          I63.529 Cerebral infarction due to unspecified occlusion or stenosis of unspecified anterior cerebral artery
       I63.53 Cerebral infarction due to unspecified occlusion or stenosis of posterior cerebral artery
          I63.531 Cerebral infarction due to unspecified occlusion or stenosis of left posterior cerebral artery
          I63.532 Cerebral infarction due to unspecified occlusion or stenosis of right posterior cerebral artery
          I63.539 Cerebral infarction due to unspecified occlusion or stenosis of unspecified posterior cerebral artery
       I63.54 Cerebral infarction due to unspecified occlusion or stenosis of cerebellar artery
          I63.541 Cerebral infarction due to unspecified occlusion or stenosis of left cerebellar artery
          I63.542 Cerebral infarction due to unspecified occlusion or stenosis of right cerebellar artery
          I63.549 Cerebral infarction due to unspecified occlusion or stenosis of unspecified cerebellar artery
       I63.59 Cerebral infarction due to unspecified occlusion or stenosis of other cerebral artery
    I63.6 Cerebral infarction due to cerebral venous thrombosis, nonpyogenic
    I63. ​8 Other cerebral infarction
    I63.9 Cerebral infarction, unspecified
       Stroke NOS

## I65 Occlusion and stenosis of precerebral arteries, not resulting in cerebral infarctionI65 Occlusion and stenosis of precerebral arteries, not resulting in cerebral infarction

    Includes: embolism of precerebral artery
       narrowing of precerebral artery
       obstruction (complete) (partial) of precerebral artery
       thrombosis of precerebral artery
    Excludes1: insufficiency, NOS, of precerebral artery (G45.-)
       insufficiency of precerebral arteries causing cerebral infarction (I63.0-I63.2)
    I65.0 Occlusion and stenosis of vertebral artery
       I65.01 Occlusion and stenosis of right vertebral artery
       I65.02 Occlusion and stenosis of left vertebral artery
       I65.03 Occlusion and stenosis of bilateral vertebral arteries
       I65.09 Occlusion and stenosis of unspecified vertebral artery
    I65.1 Occlusion and stenosis of basilar artery
    I65.2 Occlusion and stenosis of carotid artery
       I65.21 Occlusion and stenosis of right carotid artery
       I65.22 Occlusion and stenosis of left carotid artery
       I65.23 Occlusion and stenosis of bilateral carotid arteries
       I65.29 Occlusion and stenosis of unspecified carotid artery
    I65.8 Occlusion and stenosis of other precerebral arteries
    I65.9 Occlusion and stenosis of unspecified precerebral artery
       Occlusion and stenosis of precerebral artery NOS

## I66 Occlusion and stenosis of cerebral arteries, not resulting in cerebral infarctionI66 Occlusion and stenosis of cerebral arteries, not resulting in cerebral infarction

    Includes: embolism of cerebral artery
       narrowing of cerebral artery
       obstruction (complete) (partial) of cerebral artery
       thrombosis of cerebral artery
    Excludes1: Occlusion and stenosis of cerebral artery causing cerebral infarction (I63.3-I63.5)
    I66.0 Occlusion and stenosis of middle cerebral artery
       I66.01 Occlusion and stenosis of right middle cerebral artery
       I66.02 Occlusion and stenosis of left middle cerebral artery
       I66.03 Occlusion and stenosis of bilateral middle cerebral arteries
       I66.09 Occlusion and stenosis of unspecified middle cerebral artery
    I66.1 Occlusion and stenosis of anterior cerebral artery
       I66.11 Occlusion and stenosis of right anterior cerebral artery
       I66.12 Occlusion and stenosis of left anterior cerebral artery
       I66. ​13 Occlusion and stenosis of bilateral anterior cerebral arteries
       I66.19 Occlusion and stenosis of unspecified anterior cerebral artery
    I66.2 Occlusion and stenosis of posterior cerebral artery
       I66.21 Occlusion and stenosis of right posterior cerebral artery
       I66.22 Occlusion and stenosis of left posterior cerebral artery
       I66.23 Occlusion and stenosis of bilateral posterior cerebral arteries
       I66.29 Occlusion and stenosis of unspecified posterior cerebral artery
    I66.3 Occlusion and stenosis of cerebellar arteries
    I66.8 Occlusion and stenosis of other cerebral arteries
       Occlusion and stenosis of perforating arteries
    I66.9 Occlusion and stenosis of unspecified cerebral artery

## I67 Other cerebrovascular diseasesI67 Other cerebrovascular diseases

    Excludes1: sequelae of the listed conditions (I69.8)
    I67.0 Dissection of cerebral arteries, nonruptured
       Excludes1: ruptured cerebral arteries (I60.7)
    I67.1 Cerebral aneurysm, nonruptured
       Cerebral aneurysm NOS
       Cerebral arteriovenous fistula, acquired
       Internal carotid artery aneurysm, intracranial portion
       Internal carotid artery aneurysm, NOS
    Excludes1: congenital cerebral aneurysm, nonruptured (Q28.-)
       ruptured cerebral aneurysm (I60.7)
    I67.2 Cerebral atherosclerosis
       Atheroma of cerebral and precerebral arteries
    I67.3 Progressive vascular leukoencephalopathy
       Binswanger's disease
    I67.4 Hypertensive encephalopathy
    I67.5 Moyamoya disease
    I67.6 Nonpyogenic thrombosis of intracranial venous system
       Nonpyogenic thrombosis of cerebral vein
       Nonpyogenic thrombosis of intracranial venous sinus
       Excludes1: nonpyogenic thrombosis of intracranial venous system causing infarction (I63.6)
    I67.7 Cerebral arteritis, not elsewhere classified
       Granulomatous angiitis of the nervous system
       Excludes1: allergic granulomatous angiitis (M30.1)
    I67.8 Other specified cerebrovascular diseases
       Acute cerebrovascular insufficiency NOS
       Cerebral ischemia (chronic)
    I67.9 Cerebrovascular disease, unspecified

## I68 ​Cerebrovascular disorders in diseases classified elsewhere

    I68.0 Cerebral amyloid angiopathy
       Code first underlying amyloidosis (E85.-)
    I68.2 Cerebral arteritis in other diseases classified elsewhere
       Code first underlying disease
       Excludes1: cerebral arteritis (in):
          listerosis (A32.89)
          systemic lupus erythematosus (M32.19)
          syphilis (A52.04)
          tuberculosis (A18.89)
    I68.8 Other cerebrovascular disorders in diseases classified elsewhere
       Code first underlying disease
       Excludes1: syphilitic cerebral aneurysm (A52.05)

## I69 Sequelae of cerebrovascular diseaseI69 Sequelae of cerebrovascular disease

    note: Category I69 is to be used to indicate conditions in I60-I67 as the cause of sequelae. The "sequelae" include conditions specified as such or as residuals which may occur at any time after the onset of the causal condition
    Excludes1: personal history of cerebral infarction without residual deficit (Z86.73)
       personal history of prolonged reversible ischemic neurologic deficit (PRIND) (Z86.73)
       personal history of reversible ischemic neurologcial deficit (RIND) (Z86.73)
       sequelae of traumatic intracranial injury (S06.-)
       transient ischemic attack (TIA) (G45.9)
    I69.0 Sequelae of nontraumatic subarachnoid hemorrhage
       I69.00 Unspecified sequelae of nontraumatic subarachnoid hemorrhage
       I69.01 Cognitive deficits following nontraumatic subarachnoid hemorrhage
       I69.02 Speech and language deficits following nontraumatic subarachnoid hemorrhage
          I69.020 Aphasia following nontraumatic subarachnoid hemorrhage
          I69.021 Dysphasia following nontraumatic subarachnoid hemorrhage
          I69.022 Dysarthria following nontraumatic subarachnoid hemorrhage
          I69.023 Fluency disorder following nontraumatic subarachnoid hemorrhage
             Stuttering following nontraumatic subarachnoid hemorrhage
          I69. ​028 Other speech and language deficits following nontraumatic subarachnoid hemorrhage
       I69.03 Monoplegia of upper limb following nontraumatic subarachnoid hemorrhage
          I69.031 Monoplegia of upper limb following nontraumatic subarachnoid hemorrhage affecting right dominant side
          I69.032 Monoplegia of upper limb following nontraumatic subarachnoid hemorrhage affecting left dominant side
          I69.033 Monoplegia of upper limb following nontraumatic subarachnoid hemorrhage affecting right non-dominant side
          I69.034 Monoplegia of upper limb following nontraumatic subarachnoid hemorrhage affecting left non-dominant side
          I69.039 Monoplegia of upper limb following nontraumatic subarachnoid hemorrhage affecting unspecified side
       I69.04 Monoplegia of lower limb following nontraumatic subarachnoid hemorrhage
          I69.041 Monoplegia of lower limb following nontraumatic subarachnoid hemorrhage affecting right dominant side
          I69.042 Monoplegia of lower limb following nontraumatic subarachnoid hemorrhage affecting left dominant side
          I69.043 Monoplegia of lower limb following nontraumatic subarachnoid hemorrhage affecting right non-dominant side
          I69.044 Monoplegia of lower limb following nontraumatic subarachnoid hemorrhage affecting left non-dominant side
          I69.049 Monoplegia of lower limb following nontraumatic subarachnoid hemorrhage affecting unspecified side
       I69.05 Hemiplegia and hemiparesis following nontraumatic subarachnoid hemorrhage
          I69.051 Hemiplegia and hemiparesis following nontraumatic subarachnoid hemorrhage affecting right dominant side
          I69.052 Hemiplegia and hemiparesis following nontraumatic subarachnoid hemorrhage affecting left dominant side
          I69. ​053 Hemiplegia and hemiparesis following nontraumatic subarachnoid hemorrhage affecting right non-dominant side
          I69.054 Hemiplegia and hemiparesis following nontraumatic subarachnoid hemorrhage affecting left non-dominant side
          I69.059 Hemiplegia and hemiparesis following nontraumatic subarachnoid hemorrhage affecting unspecified side
       I69.06 Other paralytic syndrome following nontraumatic subarachnoid hemorrhage
          Use additional code to identify type of paralytic syndrome, such as:
             Locked-in state (G83.5)
             Quadriplegia (G82.39, G82.49, G82.8)
          Excludes1: hemiplegia/hemiparesis following nontraumatic subarachnoid hemorrhage (I69.05-)
             monoplegia of lower limb following nontraumatic subarachnoid hemorrhage (I69.04-)
             monoplegia of upper limb following nontraumatic subarachnoid hemorrhage (I69.03-)
          I69.061 Other paralytic syndrome following nontraumatic subarachnoid hemorrhage affecting right dominant side
          I69.062 Other paralytic syndrome following nontraumatic subarachnoid hemorrhage affecting left dominant side
          I69.063 Other paralytic syndrome following nontraumatic subarachnoid hemorrhage affecting right non-dominant side
          I69.064 Other paralytic syndrome following nontraumatic subarachnoid hemorrhage affecting left non-dominant side
          I69.065 Other paralytic syndrome following nontraumatic subarachnoid hemorrhage, bilateral
          I69.069 Other paralytic syndrome following nontraumatic subarachnoid hemorrhage affecting unspecified side
       I69.09 Other sequelae of nontraumatic subarachnoid hemorrhage
          I69.090 Apraxia following nontraumatic subarachnoid hemorrhage
          I69.091 Dysphagia following nontraumatic subarachnoid hemorrhage
             Use ​additional code to identify the type of dysphagia, if known (R13.1-)
          I69.092 Facial weakness following nontraumatic subarachnoid hemorrhage
             Facial droop following nontraumatic subarachnoid hemorrhage
          I69.093 Ataxia following nontraumatic subarachnoid hemorrhage
          I69.098 Other sequelae following nontraumatic subarachnoid hemorrhage
             Alterations of sensation following nontraumatic subarachnoid hemorrhage
             Disturbance of vision following nontraumatic subarachnoid hemorrhage
             Use additional code to identify the sequelae
    I69.1 Sequelae of nontraumatic intracerebral hemorrhage
       I69.10 Unspecified sequelae of nontraumatic intracerebral hemorrhage
       I69.11 Cognitive deficits following nontraumatic intracerebral hemorrhage
       I69.12 Speech and language deficits following nontraumatic intracerebral hemorrhage
          I69.120 Aphasia following nontraumatic intracerebral hemorrhage
          I69.121 Dysphasia following nontraumatic intracerebral hemorrhage
          I69.122 Dysarthria following nontraumatic intracerebral hemorrhage
          I69.123 Fluency disorder following nontraumatic intracerebral hemorrhage
             Stuttering following nontraumatic subarachnoid hemorrhage
          I69.128 Other speech and language deficits following nontraumatic intracerebral hemorrhage
       I69.13 Monoplegia of upper limb following nontraumatic intracerebral hemorrhage
          I69.131 Monoplegia of upper limb following nontraumatic intracerebral hemorrhage affecting right dominant side
          I69.132 Monoplegia of upper limb following nontraumatic intracerebral hemorrhage affecting left dominant side
          I69.133 Monoplegia of upper limb following nontraumatic intracerebral hemorrhage affecting right non-dominant side
          I69. ​134 Monoplegia of upper limb following nontraumatic intracerebral hemorrhage affecting left non-dominant side
          I69.139 Monoplegia of upper limb following nontraumatic intracerebral hemorrhage affecting unspecified side
       I69.14 Monoplegia of lower limb following nontraumatic intracerebral hemorrhage
          I69.141 Monoplegia of lower limb following nontraumatic intracerebral hemorrhage affecting right dominant side
          I69.142 Monoplegia of lower limb following nontraumatic intracerebral hemorrhage affecting left dominant side
          I69.143 Monoplegia of lower limb following nontraumatic intracerebral hemorrhage affecting right non-dominant side
          I69.144 Monoplegia of lower limb following nontraumatic intracerebral hemorrhage affecting left non-dominant side
          I69.149 Monoplegia of lower limb following nontraumatic intracerebral hemorrhage affecting unspecified side
       I69.15 Hemiplegia and hemiparesis following nontraumatic intracerebral hemorrhage
          I69.151 Hemiplegia and hemiparesis following nontraumatic intracerebral hemorrhage affecting right dominant side
          I69.152 Hemiplegia and hemiparesis following nontraumatic intracerebral hemorrhage affecting left dominant side
          I69.153 Hemiplegia and hemiparesis following nontraumatic intracerebral hemorrhage affecting right non-dominant side
          I69.154 Hemiplegia and hemiparesis following nontraumatic intracerebral hemorrhage affecting left non-dominant side
          I69.159 Hemiplegia and hemiparesis following nontraumatic intracerebral hemorrhage affecting unspecified side
       I69.16 Other paralytic syndrome following nontraumatic intracerebral hemorrhage
          Use additional code to identify type of paralytic syndrome, such as:
             Locked-in state (G83.5)
             Quadriplegia (G82.39, G82.49, G82.8)
          Excludes1: ​hemiplegia/hemiparesis following nontraumatic intracerebral hemorrhage (I69.15-)
             monoplegia of lower limb following nontraumatic intracerebral hemorrhage (I69.14-)
             monoplegia of upper limb following nontraumatic intracerebral hemorrhage (I69.13-)
          I69.161 Other paralytic syndrome following nontraumatic intracerebral hemorrhage affecting right dominant side
          I69.162 Other paralytic syndrome following nontraumatic intracerebral hemorrhage affecting left dominant side
          I69.163 Other paralytic syndrome following nontraumatic intracerebral hemorrhage affecting right non-dominant side
          I69.164 Other paralytic syndrome following nontraumatic intracerebral hemorrhage affecting left non-dominant side
          I69.165 Other paralytic syndrome following nontraumatic intracerebral hemorrhage, bilateral
          I69.169 Other paralytic syndrome following nontraumatic intracerebral hemorrhage affecting unspecified side
       I69.19 Other sequelae of nontraumatic intracerebral hemorrhage
          I69.190 Apraxia following nontraumatic intracerebral hemorrhage
          I69.191 Dysphagia following nontraumatic intracerebral hemorrhage
             Use additional code to identify the type of dysphagia, if known (R13.1-)
          I69.192 Facial weakness following nontraumatic intracerebral hemorrhage
             Facial droop following nontraumatic intracerebral hemorrhage
          I69.193 Ataxia following nontraumatic intracerebral hemorrhage
          I69.198 Other sequelae of nontraumatic intracerebral hemorrhage
             Alteration of sensations following nontraumatic intracerebral hemorrhage
             Disturbance of vision following nontraumatic intracerebral hemorrhage
             Use additional code to identify the sequelae
    I69.2 Sequelae of other nontraumatic intracranial hemorrhage
       I69. ​20 Unspecified sequelae of other nontraumatic intracranial hemorrhage
       I69.21 Cognitive deficits following other nontraumatic intracranial hemorrhage
       I69.22 Speech and language deficits following other nontraumatic intracranial hemorrhage
          I69.220 Aphasia following other nontraumatic intracranial hemorrhage
          I69.221 Dysphasia following other nontraumatic intracranial hemorrhage
          I69.222 Dysarthria following other nontraumatic intracranial hemorrhage
          I69.223 Fluency disorder following other nontraumatic intracranial hemorrhage
             Stuttering following nontraumatic subarachnoid hemorrhage
          I69.228 Other speech and language deficits following other nontraumatic intracranial hemorrhage
       I69.23 Monoplegia of upper limb following other nontraumatic intracranial hemorrhage
          I69.231 Monoplegia of upper limb following other nontraumatic intracranial hemorrhage affecting right dominant side
          I69.232 Monoplegia of upper limb following other nontraumatic intracranial hemorrhage affecting left dominant side
          I69.233 Monoplegia of upper limb following other nontraumatic intracranial hemorrhage affecting right non-dominant side
          I69.234 Monoplegia of upper limb following other nontraumatic intracranial hemorrhage affecting left non-dominant side
          I69.239 Monoplegia of upper limb following other nontraumatic intracranial hemorrhage affecting unspecified side
       I69.24 Monoplegia of lower limb following other nontraumatic intracranial hemorrhage
          I69.241 Monoplegia of lower limb following other nontraumatic intracranial hemorrhage affecting right dominant side
          I69.242 Monoplegia of lower limb following other nontraumatic intracranial hemorrhage affecting left dominant side
          I69. ​243 Monoplegia of lower limb following other nontraumatic intracranial hemorrhage affecting right non-dominant side
          I69.244 Monoplegia of lower limb following other nontraumatic intracranial hemorrhage affecting left non-dominant side
          I69.249 Monoplegia of lower limb following other nontraumatic intracranial hemorrhage affecting unspecified side
       I69.25 Hemiplegia and hemiparesis following other nontraumatic intracranial hemorrhage
          I69.251 Hemiplegia and hemiparesis following other nontraumatic intracranial hemorrhage affecting right dominant side
          I69.252 Hemiplegia and hemiparesis following other nontraumatic intracranial hemorrhage affecting left dominant side
          I69.253 Hemiplegia and hemiparesis following other nontraumatic intracranial hemorrhage affecting right non-dominant side
          I69.254 Hemiplegia and hemiparesis following other nontraumatic intracranial hemorrhage affecting left non-dominant side
          I69.259 Hemiplegia and hemiparesis following other nontraumatic intracranial hemorrhage affecting unspecified side
       I69.26 Other paralytic syndrome following other nontraumatic intracranial hemorrhage
          Use additional code to identify type of paralytic syndrome, such as:
             Locked-in state (G83.5)
             Quadriplegia (G82.39, G82.49, G82.8)
          Excludes1: hemiplegia/hemiparesis following other nontraumatic intracranial hemorrhage (I69.25-)
             monoplegia of lower limb following other nontraumatic intracranial hemorrhage (I69.24-)
             monoplegia of upper limb following other nontraumatic intracranial hemorrhage (I69.23-)
          I69.261 Other paralytic syndrome following other nontraumatic intracranial hemorrhage affecting right dominant side
          I69.262 Other paralytic syndrome following other nontraumatic intracranial hemorrhage affecting left dominant side
          I69. ​263 Other paralytic syndrome following other nontraumatic intracranial hemorrhage affecting right non-dominant side
          I69.264 Other paralytic syndrome following other nontraumatic intracranial hemorrhage affecting left non-dominant side
          I69.265 Other paralytic syndrome following other nontraumatic intracranial hemorrhage, bilateral
          I69.269 Other paralytic syndrome following other nontraumatic intracranial hemorrhage affecting unspecified side
       I69.29 Other sequelae of other nontraumatic intracranial hemorrhage
          I69.290 Apraxia following other nontraumatic intracranial hemorrhage
          I69.291 Dysphagia following other nontraumatic intracranial hemorrhage
             Use additional code to identify the type of dysphagia, if known (R13.1-)
          I69.292 Facial weakness following other nontraumatic intracranial hemorrhage
             Facial droop following other nontraumatic intracranial hemorrhage
          I69.293 Ataxia following other nontraumatic intracranial hemorrhage
          I69.298 Other sequelae of other nontraumatic intracranial hemorrhage
             Alteration of sensation following other nontraumatic intracranial hemorrhage
             Disturbance of vision following other nontraumatic intracranial hemorrhage
             Use additional code to identify the sequelae
    I69.3 Sequelae of cerebral infarction
       Sequelae of stroke NOS
       I69.30 Unspecified sequelae of cerebral infarction
       I69.31 Cognitive deficits following cerebral infarction
       I69.32 Speech and language deficits following cerebral infarction
          I69.320 Aphasia following cerebral infarction
          I69.321 Dysphasia following cerebral infarction
          I69.322 Dysarthria following cerebral infarction
          I69.323 Fluency disorder following cerebral infarction
             Stuttering following nontraumatic subarachnoid hemorrhage
          I69. ​328 Other speech and language deficits following cerebral infarction
       I69.33 Monoplegia of upper limb following cerebral infarction
          I69.331 Monoplegia of upper limb following cerebral infarction affecting right dominant side
          I69.332 Monoplegia of upper limb following cerebral infarction affecting left dominant side
          I69.333 Monoplegia of upper limb following cerebral infarction affecting right non-dominant side
          I69.334 Monoplegia of upper limb following cerebral infarction affecting left non-dominant side
          I69.339 Monoplegia of upper limb following cerebral infarction affecting unspecified side
       I69.34 Monoplegia of lower limb following cerebral infarction
          I69.341 Monoplegia of lower limb following cerebral infarction affecting right dominant side
          I69.342 Monoplegia of lower limb following cerebral infarction affecting left dominant side
          I69.343 Monoplegia of lower limb following cerebral infarction affecting right non-dominant side
          I69.344 Monoplegia of lower limb following cerebral infarction affecting left non-dominant side
          I69.349 Monoplegia of lower limb following cerebral infarction affecting unspecified side
       I69.35 Hemiplegia and hemiparesis following cerebral infarction
          I69.351 Hemiplegia and hemiparesis following cerebral infarction affecting right dominant side
          I69.352 Hemiplegia and hemiparesis following cerebral infarction affecting left dominant side
          I69.353 Hemiplegia and hemiparesis following cerebral infarction affecting right non-dominant side
          I69.354 Hemiplegia and hemiparesis following cerebral infarction affecting left non-dominant side
          I69. ​359 Hemiplegia and hemiparesis following cerebral infarction affecting unspecified side
       I69.36 Other paralytic syndrome following cerebral infarction
          Use additional code to identify type of paralytic syndrome, such as:
             Locked-in state (G83.5)
             Quadriplegia (G82.39, G82.49, G82.8)
          Excludes1: hemiplegia/hemiparesis following cerebral infarction (I69.35-)
             monoplegia of lower limb following cerebral infarction (I69.34-)
             monoplegia of upper limb following cerebral infarction (I69.33-)
          I69.361 Other paralytic syndrome following cerebral infarction affecting right dominant side
          I69.362 Other paralytic syndrome following cerebral infarction affecting left dominant side
          I69.363 Other paralytic syndrome following cerebral infarction affecting right non-dominant side
          I69.364 Other paralytic syndrome following cerebral infarction affecting left non-dominant side
          I69.365 Other paralytic syndrome following cerebral infarction, bilateral
          I69.369 Other paralytic syndrome following cerebral infarction affecting unspecified side
       I69.39 Other sequelae of cerebral infarction
          I69.390 Apraxia following cerebral infarction
          I69.391 Dysphagia following cerebral infarction
             Use additional code to identify the type of dysphagia, if known (R13.1-)
          I69.392 Facial weakness following cerebral infarction
             Facial droop following cerebral infarction
          I69.393 Ataxia following cerebral infarction
          I69.398 Other sequelae of cerebral infarction
             Alteration of sensation following cerebral infarction
             Disturbance of vision following cerebral infarction
             Use additional code to identify the sequelae
    I69.8 Sequelae of other cerebrovascular diseases
       Excludes1: sequelae of traumatic intracranial injury (S06.-)
       I69.80 Unspecified sequelae of other cerebrovascular disease
       I69. ​81 Cognitive deficits following other cerebrovascular disease
       I69.82 Speech and language deficits following other cerebrovascular disease
          I69.820 Aphasia following other cerebrovascular disease
          I69.821 Dysphasia following other cerebrovascular disease
          I69.822 Dysarthria following other cerebrovascular disease
          I69.823 Fluency disorder following other cerebrovascular disease
             Stuttering following nontraumatic subarachnoid hemorrhage
          I69.828 Other speech and language deficits following other cerebrovascular disease
       I69.83 Monoplegia of upper limb following other cerebrovascular disease
          I69.831 Monoplegia of upper limb following other cerebrovascular disease affecting right dominant side
          I69.832 Monoplegia of upper limb following other cerebrovascular disease affecting left dominant side
          I69.833 Monoplegia of upper limb following other cerebrovascular disease affecting right non-dominant side
          I69.834 Monoplegia of upper limb following other cerebrovascular disease affecting left non-dominant side
          I69.839 Monoplegia of upper limb following other cerebrovascular disease affecting unspecified side
       I69.84 Monoplegia of lower limb following other cerebrovascular disease
          I69.841 Monoplegia of lower limb following other cerebrovascular disease affecting right dominant side
          I69.842 Monoplegia of lower limb following other cerebrovascular disease affecting left dominant side
          I69.843 Monoplegia of lower limb following other cerebrovascular disease affecting right non-dominant side
          I69. ​844 Monoplegia of lower limb following other cerebrovascular disease affecting left non-dominant side
          I69.849 Monoplegia of lower limb following other cerebrovascular disease affecting unspecified side
       I69.85 Hemiplegia and hemiparesis following other cerebrovascular disease
          I69.851 Hemiplegia and hemiparesis following other cerebrovascular disease affecting right dominant side
          I69.852 Hemiplegia and hemiparesis following other cerebrovascular disease affecting left dominant side
          I69.853 Hemiplegia and hemiparesis following other cerebrovascular disease affecting right non-dominant side
          I69.854 Hemiplegia and hemiparesis following other cerebrovascular disease affecting left non-dominant side
          I69.859 Hemiplegia and hemiparesis following other cerebrovascular disease affecting unspecified side
       I69.86 Other paralytic syndrome following other cerebrovascular disease
          Use additional code to identify type of paralytic syndrome, such as:
             Locked-in state (G83.5)
             Quadriplegia (G82.39, G82.49, G82.8)
          Excludes1: hemiplegia/hemiparesis following other cerebrovascular disease (I69.85-)
             monoplegia of lower limb following other cerebrovascular disease (I69.84-)
             monoplegia of upper limb following other cerebrovascular disease (I69.83-)
          I69.861 Other paralytic syndrome following other cerebrovascular disease affecting right dominant side
          I69.862 Other paralytic syndrome following other cerebrovascular disease affecting left dominant side
          I69.863 Other paralytic syndrome following other cerebrovascular disease affecting right non-dominant side
          I69. ​864 Other paralytic syndrome following other cerebrovascular disease affecting left non-dominant side
          I69.865 Other paralytic syndrome following other cerebrovascular disease, bilateral
          I69.869 Other paralytic syndrome following other cerebrovascular disease affecting unspecified side
       I69.89 Other sequelae of other cerebrovascular disease
          I69.890 Apraxia following other cerebrovascular disease
          I69.891 Dysphagia following other cerebrovascular disease
             Use additional code to identify the type of dysphagia, if known (R13.1-)
          I69.892 Facial weakness following other cerebrovascular disease
             Facial droop following other cerebrovascular disease
          I69.893 Ataxia following other cerebrovascular disease
          I69.898 Other sequelae of other cerebrovascular disease
             Alteration of sensation following other cerebrovascular disease
             Disturbance of vision following other cerebrovascular disease
             Use additional code to identify the sequelae
    I69.9 Sequelae of unspecified cerebrovascular diseases
       Excludes1: sequelae of stroke (I63.3)
          sequelae of traumatic intracranial injury (S06.-)
       I69.90 Unspecified sequelae of unspecified cerebrovascular disease
       I69.91 Cognitive deficits following unspecified cerebrovascular disease
       I69.92 Speech and language deficits following unspecified cerebrovascular disease
          I69.920 Aphasia following unspecified cerebrovascular disease
          I69.921 Dysphasia following unspecified cerebrovascular disease
          I69.922 Dysarthria following unspecified cerebrovascular disease
          I69.923 Fluency disorder following unspecified cerebrovascular disease
             Stuttering ​following nontraumatic subarachnoid hemorrhage
          I69.928 Other speech and language deficits following unspecified cerebrovascular disease
       I69.93 Monoplegia of upper limb following unspecified cerebrovascular disease
          I69.931 Monoplegia of upper limb following unspecified cerebrovascular disease affecting right dominant side
          I69.932 Monoplegia of upper limb following unspecified cerebrovascular disease affecting left dominant side
          I69.933 Monoplegia of upper limb following unspecified cerebrovascular disease affecting right non-dominant side
          I69.934 Monoplegia of upper limb following unspecified cerebrovascular disease affecting left non-dominant side
          I69.939 Monoplegia of upper limb following unspecified cerebrovascular disease affecting unspecified side
       I69.94 Monoplegia of lower limb following unspecified cerebrovascular disease
          I69.941 Monoplegia of lower limb following unspecified cerebrovascular disease affecting right dominant side
          I69.942 Monoplegia of lower limb following unspecified cerebrovascular disease affecting left dominant side
          I69.943 Monoplegia of lower limb following unspecified cerebrovascular disease affecting right non-dominant side
          I69.944 Monoplegia of lower limb following unspecified cerebrovascular disease affecting left non-dominant side
          I69.949 Monoplegia of lower limb following unspecified cerebrovascular disease affecting unspecified side
       I69.95 Hemiplegia and hemiparesis following unspecified cerebrovascular disease
          I69.951 Hemiplegia and hemiparesis following unspecified cerebrovascular disease affecting right dominant side
          I69. ​952 Hemiplegia and hemiparesis following unspecified cerebrovascular disease affecting left dominant side
          I69.953 Hemiplegia and hemiparesis following unspecified cerebrovascular disease affecting right non-dominant side
          I69.954 Hemiplegia and hemiparesis following unspecified cerebrovascular disease affecting left non-dominant side
          I69.959 Hemiplegia and hemiparesis following unspecified cerebrovascular disease affecting unspecified side
       I69.96 Other paralytic syndrome following unspecified cerebrovascular disease
          Use additional code to identify type of paralytic syndrome, such as:
             Locked-in state (G83.5)
             Quadriplegia (G82.39, G82.49, G82.8)
          Excludes1: hemiplegia/hemiparesis following unspecified cerebrovascular disease (I69.95-)
             monoplegia of lower limb following unspecified cerebrovascular disease (I69.94-)
             monoplegia of upper limb following unspecified cerebrovascular disease (I69.93-)
          I69.961 Other paralytic syndrome following unspecified cerebrovascular disease affecting right dominant side
          I69.962 Other paralytic syndrome following unspecified cerebrovascular disease affecting left dominant side
          I69.963 Other paralytic syndrome following unspecified cerebrovascular disease affecting right non-dominant side
          I69.964 Other paralytic syndrome following unspecified cerebrovascular disease affecting left non-dominant side
          I69.965 Other paralytic syndrome following unspecified cerebrovascular disease, bilateral
          I69.969 Other paralytic syndrome following unspecified cerebrovascular disease affecting unspecified side
       I69.99 Other sequelae of unspecified cerebrovascular disease
          I69.990 Apraxia following unspecified cerebrovascular disease
          I69. ​991 Dysphagia following unspecified cerebrovascular disease
             Use additional code to identify the type of dysphagia, if known (R13.1-)
          I69.992 Facial weakness following unspecified cerebrovascular disease
             Facial droop following unspecified cerebrovascular disease
          I69.993 Ataxia following unspecified cerebrovascular disease
          I69.998 Other sequelae following unspecified cerebrovascular disease
             Alteration in sensation following unspecified cerebrovascular disease
             Disturbance of vision following unspecified cerebrovascular disease
             Use additional code to identify the sequelae

# Diseases of arteries, arterioles and capillaries (I70-I79)Diseases of arteries, arterioles and capillaries (I70-I79)
## I70 AtherosclerosisI70 Atherosclerosis

    Includes: arteriolosclerosis
       arterial degeneration
       arteriosclerosis
       arteriosclerotic vascular disease
       arteriovascular degeneration
       atheroma
       endarteritis deformans or obliterans
       senile arteritis
       senile endarteritis
       vascular degeneration
    Use additional code to identify:
       exposure to environmental tobacco smoke (Z77.22)
       history of tobacco use (Z87.891)
       occupational exposure to environmental tobacco smoke (Z57.31)
       tobacco dependence (F17.-)
       tobacco use (Z72.0)
    Excludes2: arteriosclerotic cardiovascular disease (I25.1-)
       arteriosclerotic heart disease (I25.1-)
       atheroembolism (I75.-)
       cerebral atherosclerosis (I67.2)
       coronary atherosclerosis (I25.1-)
       mesenteric atherosclerosis (K55.1)
       precerebral atherosclerosis (I67.2)
       primary pulmonary atherosclerosis (I27.0)
    I70. ​0 Atherosclerosis of aorta
    I70.1 Atherosclerosis of renal artery
       Goldblatt's kidney
       Excludes2: atherosclerosis of renal arterioles (I12.-)
    I70.2 Atherosclerosis of native arteries of the extremities
       M?nckeberg's (medial) sclerosis
       Use additional code, if applicable, to identify chronic total occlusion of artery of extremity (I70.92)
       Excludes2: atherosclerosis of bypass graft of extremities (I70.30-I70.79)
       I70.20 Unspecified atherosclerosis of native arteries of extremities
          I70.201 Unspecified atherosclerosis of native arteries of extremities, right leg
          I70.202 Unspecified atherosclerosis of native arteries of extremities, left leg
          I70.203 Unspecified atherosclerosis of native arteries of extremities, bilateral legs
          I70.208 Unspecified atherosclerosis of native arteries of extremities, other extremity
          I70.209 Unspecified atherosclerosis of native arteries of extremities, unspecified extremity
       I70.21 Atherosclerosis of native arteries of extremities with intermittent claudication
          I70.211 Atherosclerosis of native arteries of extremities with intermittent claudication, right leg
          I70.212 Atherosclerosis of native arteries of extremities with intermittent claudication, left leg
          I70.213 Atherosclerosis of native arteries of extremities with intermittent claudication, bilateral legs
          I70.218 Atherosclerosis of native arteries of extremities with intermittent claudication, other extremity
          I70.219 Atherosclerosis of native arteries of extremities with intermittent claudication, unspecified extremity
       I70.22 Atherosclerosis of native arteries of extremities with rest pain
          Includes any condition classifiable to I70.21-
          I70.221 Atherosclerosis of native arteries of extremities with rest pain, right leg
          I70.222 Atherosclerosis of native arteries of extremities with rest pain, left leg
          I70. ​223 Atherosclerosis of native arteries of extremities with rest pain, bilateral legs
          I70.228 Atherosclerosis of native arteries of extremities with rest pain, other extremity
          I70.229 Atherosclerosis of native arteries of extremities with rest pain, unspecified extremity
       I70.23 Atherosclerosis of native arteries of right leg with ulceration
          Includes any condition classifiable to I70.211 and I70.221
          Use additional code to identify severity of ulcer (L97.- with fifth character 1)
          I70.231 Atherosclerosis of native arteries of right leg with ulceration of thigh
          I70.232 Atherosclerosis of native arteries of right leg with ulceration of calf
          I70.233 Atherosclerosis of native arteries of right leg with ulceration of ankle
          I70.234 Atherosclerosis of native arteries of right leg with ulceration of heel and midfoot
             Atherosclerosis of native arteries of right leg with ulceration of plantar surface of midfoot
          I70.235 Atherosclerosis of native arteries of right leg with ulceration of other part of foot
             Atherosclerosis of native arteries of right leg extremities with ulceration of toe
          I70.238 Atherosclerosis of native arteries of right leg with ulceration of other part of lower right leg
          I70.239 Atherosclerosis of native arteries of right leg with ulceration of unspecified site
       I70.24 Atherosclerosis of native arteries of left leg with ulceration
          Includes any condition classifiable to I70.212 and I70.222
          Use additional code to identify severity of ulcer (L97.- with fifth character 2)
          I70.241 Atherosclerosis of native arteries of left leg with ulceration of thigh
          I70.242 Atherosclerosis of native arteries of left leg with ulceration of calf
          I70.243 Atherosclerosis of native arteries of left leg with ulceration of ankle
          I70.244 Atherosclerosis of native arteries of left leg with ulceration of heel and midfoot
             Atherosclerosis of native arteries of left leg with ulceration of plantar surface of midfoot
          I70. ​245 Atherosclerosis of native arteries of left leg with ulceration of other part of foot
          Atherosclerosis of native arteries of left leg extremities with ulceration of toe
          I70.248 Atherosclerosis of native arteries of left leg with ulceration of other part of lower left leg
          I70.249 Atherosclerosis of native arteries of left leg with ulceration of unspecified site
       I70.25 Atherosclerosis of native arteries of other extremities with ulceration
          Includes any condition classifiable to I70.218 and I70.228
          Use additional code to identify the severity of the ulcer (L98.49-)
       I70.26 Atherosclerosis of native arteries of extremities with gangrene
          Includes any condition classifiable to I70.21-, I70.22-, I70.23-, I70.24-, and I70.25-
          Use additional code to identify the severity of any ulcer (L98.49-), if applicable
          I70.261 Atherosclerosis of native arteries of extremities with gangrene, right leg
          I70.262 Atherosclerosis of native arteries of extremities with gangrene, left leg
          I70.263 Atherosclerosis of native arteries of extremities with gangrene, bilateral legs
          I70.268 Atherosclerosis of native arteries of extremities with gangrene, other extremity
          I70.269 Atherosclerosis of native arteries of extremities with gangrene, unspecified extremity
       I70.29 Other atherosclerosis of native arteries of extremities
          I70.291 Other atherosclerosis of native arteries of extremities, right leg
          I70.292 Other atherosclerosis of native arteries of extremities, left leg
          I70.293 Other atherosclerosis of native arteries of extremities, bilateral legs
          I70.298 Other atherosclerosis of native arteries of extremities, other extremity
          I70.299 Other atherosclerosis of native arteries of extremities, unspecified extremity
    I70.3 Atherosclerosis of unspecified type of bypass graft(s) of the extremities
       Use additional code, if applicable, to identify chronic total occlusion of artery of extremity (I70.92)
       Excludes1: ​embolism or thrombus of bypass graft(s) of extremities (T82.8-)
       I70.30 Unspecified atherosclerosis of unspecified type of bypass graft(s) of the extremities
          I70.301 Unspecified atherosclerosis of unspecified type of bypass graft(s) of the extremities, right leg
          I70.302 Unspecified atherosclerosis of unspecified type of bypass graft(s) of the extremities, left leg
          I70.303 Unspecified atherosclerosis of unspecified type of bypass graft(s) of the extremities, bilateral legs
          I70.308 Unspecified atherosclerosis of unspecified type of bypass graft(s) of the extremities, other extremity
          I70.309 Unspecified atherosclerosis of unspecified type of bypass graft(s) of the extremities, unspecified extremity
       I70.31 Atherosclerosis of unspecified type of bypass graft(s) of the extremities with intermittent claudication
          I70.311 Atherosclerosis of unspecified type of bypass graft(s) of the extremities with intermittent claudication, right leg
          I70.312 Atherosclerosis of unspecified type of bypass graft(s) of the extremities with intermittent claudication, left leg
          I70.313 Atherosclerosis of unspecified type of bypass graft(s) of the extremities with intermittent claudication, bilateral legs
          I70.318 Atherosclerosis of unspecified type of bypass graft(s) of the extremities with intermittent claudication, other extremity
          I70.319 Atherosclerosis of unspecified type of bypass graft(s) of the extremities with intermittent claudication, unspecified extremity
       I70.32 Atherosclerosis of unspecified type of bypass graft(s) of the extremities with rest pain
          Includes any condition classifiable to I70.31-
          I70.321 Atherosclerosis of unspecified type of bypass graft(s) of the extremities with rest pain, right leg
          I70. ​322 Atherosclerosis of unspecified type of bypass graft(s) of the extremities with rest pain, left leg
          I70.323 Atherosclerosis of unspecified type of bypass graft(s) of the extremities with rest pain, bilateral legs
          I70.328 Atherosclerosis of unspecified type of bypass graft(s) of the extremities with rest pain, other extremity
          I70.329 Atherosclerosis of unspecified type of bypass graft(s) of the extremities with rest pain, unspecified extremity
       I70.33 Atherosclerosis of unspecified type of bypass graft(s) of the right leg with ulceration
          Includes any condition classifiable to I70.311 and I70.321
          Use additional code to identify severity of ulcer (L97.- with fifth character 1)
          I70.331 Atherosclerosis of unspecified type of bypass graft(s) of the right leg with ulceration of thigh
          I70.332 Atherosclerosis of unspecified type of bypass graft(s) of the right leg with ulceration of calf
          I70.333 Atherosclerosis of unspecified type of bypass graft(s) of the right leg with ulceration of ankle
          I70.334 Atherosclerosis of unspecified type of bypass graft(s) of the right leg with ulceration of heel and midfoot
             Atherosclerosis of unspecified type of bypass graft(s) of right leg with ulceration of plantar surface of midfoot
          I70.335 Atherosclerosis of unspecified type of bypass graft(s) of the right leg with ulceration of other part of foot
             Atherosclerosis of unspecified type of bypass graft(s) of the right leg with ulceration of toe
          I70.338 Atherosclerosis of unspecified type of bypass graft(s) of the right leg with ulceration of other part of lower leg
          I70.339 Atherosclerosis of unspecified type of bypass graft(s) of the right leg with ulceration of unspecified site
       I70.34 Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration
          Includes any condition classifiable to I70.312 and I70.322
          Use ​additional code to identify severity of ulcer (L97.- with fifth character 2)
          I70.341 Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of thigh
          I70.342 Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of calf
          I70.343 Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of ankle
          I70.344 Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of heel and midfoot
             Atherosclerosis of unspecified type of bypass graft(s) of left leg with ulceration of plantar surface of midfoot
          I70.345 Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of other part of foot
             Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of toe
          I70.348 Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of other part of lower leg
          I70.349 Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of unspecified site
       I70.35 Atherosclerosis of unspecified type of bypass graft(s) of other extremity with ulceration
          Includes any condition classifiable to I70.318 and I70.328
          Use additional code to identify severity of ulcer (L98.49-)
       I70.36 Atherosclerosis of unspecified type of bypass graft(s) of the extremities with gangrene
          Includes any condition classifiable to I70.31-, I70.32-, I70.33-, I70.34-, I70.35
          Use additional code to identify the severity of any ulcer (L98.49-), if applicable
          I70.361 Atherosclerosis of unspecified type of bypass graft(s) of the extremities with gangrene, right leg
          I70.362 Atherosclerosis of unspecified type of bypass graft(s) of the extremities with gangrene, left leg
          I70. ​363 Atherosclerosis of unspecified type of bypass graft(s) of the extremities with gangrene, bilateral legs
          I70.368 Atherosclerosis of unspecified type of bypass graft(s) of the extremities with gangrene, other extremity
          I70.369 Atherosclerosis of unspecified type of bypass graft(s) of the extremities with gangrene, unspecified extremity
       I70.39 Other atherosclerosis of unspecified type of bypass graft(s) of the extremities
          I70.391 Other atherosclerosis of unspecified type of bypass graft(s) of the extremities, right leg
          I70.392 Other atherosclerosis of unspecified type of bypass graft(s) of the extremities, left leg
          I70.393 Other atherosclerosis of unspecified type of bypass graft(s) of the extremities, bilateral legs
          I70.398 Other atherosclerosis of unspecified type of bypass graft(s) of the extremities, other extremity
          I70.399 Other atherosclerosis of unspecified type of bypass graft(s) of the extremities, unspecified extremity
    I70.4 Atherosclerosis of autologous vein bypass graft(s) of the extremities
       Use additional code, if applicable, to identify chronic total occlusion of artery of extremity (I70.92)
       I70.40 Unspecified atherosclerosis of autologous vein bypass graft(s) of the extremities
          I70.401 Unspecified atherosclerosis of autologous vein bypass graft(s) of the extremities, right leg
          I70.402 Unspecified atherosclerosis of autologous vein bypass graft(s) of the extremities, left leg
          I70.403 Unspecified atherosclerosis of autologous vein bypass graft(s) of the extremities, bilateral legs
          I70.408 Unspecified atherosclerosis of autologous vein bypass graft(s) of the extremities, other extremity
          I70.409 Unspecified atherosclerosis of autologous vein bypass graft(s) of the extremities, unspecified extremity
       I70. ​41 Atherosclerosis of autologous vein bypass graft(s) of the extremities with intermittent claudication
          I70.411 Atherosclerosis of autologous vein bypass graft(s) of the extremities with intermittent claudication, right leg
          I70.412 Atherosclerosis of autologous vein bypass graft(s) of the extremities with intermittent claudication, left leg
          I70.413 Atherosclerosis of autologous vein bypass graft(s) of the extremities with intermittent claudication, bilateral legs
          I70.418 Atherosclerosis of autologous vein bypass graft(s) of the extremities with intermittent claudication, other extremity
          I70.419 Atherosclerosis of autologous vein bypass graft(s) of the extremities with intermittent claudication, unspecified extremity
       I70.42 Atherosclerosis of autologous vein bypass graft(s) of the extremities with rest pain
          Includes any condition classifiable to I70.41-
          I70.421 Atherosclerosis of autologous vein bypass graft(s) of the extremities with rest pain, right leg
          I70.422 Atherosclerosis of autologous vein bypass graft(s) of the extremities with rest pain, left leg
          I70.423 Atherosclerosis of autologous vein bypass graft(s) of the extremities with rest pain, bilateral legs
          I70.428 Atherosclerosis of autologous vein bypass graft(s) of the extremities with rest pain, other extremity
          I70.429 Atherosclerosis of autologous vein bypass graft(s) of the extremities with rest pain, unspecified extremity
       I70.43 Atherosclerosis of autologous vein bypass graft(s) of the right leg with ulceration
          Includes any condition classifiable to I70.411 and I70.421
          Use additional code to identify severity of ulcer (L97.- with fifth character 1)
          I70.431 Atherosclerosis of autologous vein bypass graft(s) of the right leg with ulceration of thigh
          I70. ​432 Atherosclerosis of autologous vein bypass graft(s) of the right leg with ulceration of calf
          I70.433 Atherosclerosis of autologous vein bypass graft(s) of the right leg with ulceration of ankle
          I70.434 Atherosclerosis of autologous vein bypass graft(s) of the right leg with ulceration of heel and midfoot
             Atherosclerosis of autologous vein bypass graft(s) of right leg with ulceration of plantar surface of midfoot
          I70.435 Atherosclerosis of autologous vein bypass graft(s) of the right leg with ulceration of other part of foot
             Atherosclerosis of autologous vein bypass graft(s) of right leg with ulceration of toe
          I70.438 Atherosclerosis of autologous vein bypass graft(s) of the right leg with ulceration of other part of lower leg
          I70.439 Atherosclerosis of autologous vein bypass graft(s) of the right leg with ulceration of unspecified site
       I70.44 Atherosclerosis of autologous vein bypass graft(s) of the left leg with ulceration
          Includes any condition classifiable to I70.412 and I70.422
          Use additional code to identify severity of ulcer (L97.- with fifth character 2)
          I70.441 Atherosclerosis of autologous vein bypass graft(s) of the left leg with ulceration of thigh
          I70.442 Atherosclerosis of autologous vein bypass graft(s) of the left leg with ulceration of calf
          I70.443 Atherosclerosis of autologous vein bypass graft(s) of the left leg with ulceration of ankle
          I70.444 Atherosclerosis of autologous vein bypass graft(s) of the left leg with ulceration of heel and midfoot
             Atherosclerosis of autologous vein bypass graft(s) of left leg with ulceration of plantar surface of midfoot
          I70.445 Atherosclerosis of autologous vein bypass graft(s) of the left leg with ulceration of other part of foot
             Atherosclerosis ​of autologous vein bypass graft(s) of left leg with ulceration of toe
          I70.448 Atherosclerosis of autologous vein bypass graft(s) of the left leg with ulceration of other part of lower leg
          I70.449 Atherosclerosis of autologous vein bypass graft(s) of the left leg with ulceration of unspecified site
       I70.45 Atherosclerosis of autologous vein bypass graft(s) of other extremity with ulceration
          Includes any condition classifiable to I70.418, I70.428, and I70.438
          Use additional code to identify severity of ulcer (L98.49)
       I70.46 Atherosclerosis of autologous vein bypass graft(s) of the extremities with gangrene
          Includes any condition classifiable to I70.41-, I70.42-, and I70.43-, I70.44-, I70.45
          Use additional code to identify the severity of any ulcer (L98.49-), if applicable
          I70.461 Atherosclerosis of autologous vein bypass graft(s) of the extremities with gangrene, right leg
          I70.462 Atherosclerosis of autologous vein bypass graft(s) of the extremities with gangrene, left leg
          I70.463 Atherosclerosis of autologous vein bypass graft(s) of the extremities with gangrene, bilateral legs
          I70.468 Atherosclerosis of autologous vein bypass graft(s) of the extremities with gangrene, other extremity
          I70.469 Atherosclerosis of autologous vein bypass graft(s) of the extremities with gangrene, unspecified extremity
       I70.49 Other atherosclerosis of autologous vein bypass graft(s) of the extremities
          I70.491 Other atherosclerosis of autologous vein bypass graft(s) of the extremities, right leg
          I70.492 Other atherosclerosis of autologous vein bypass graft(s) of the extremities, left leg
          I70.493 Other atherosclerosis of autologous vein bypass graft(s) of the extremities, bilateral legs
          I70.498 Other atherosclerosis of autologous vein bypass graft(s) of the extremities, other extremity
          I70. ​499 Other atherosclerosis of autologous vein bypass graft(s) of the extremities, unspecified extremity
    I70.5 Atherosclerosis of nonautologous biological bypass graft(s) of the extremities
       Use additional code, if applicable, to identify chronic total occlusion of artery of extremity (I70.92)
       I70.50 Unspecified atherosclerosis of nonautologous biological bypass graft(s) of the extremities
          I70.501 Unspecified atherosclerosis of nonautologous biological bypass graft(s) of the extremities, right leg
          I70.502 Unspecified atherosclerosis of nonautologous biological bypass graft(s) of the extremities, left leg
          I70.503 Unspecified atherosclerosis of nonautologous biological bypass graft(s) of the extremities, bilateral legs
          I70.508 Unspecified atherosclerosis of nonautologous biological bypass graft(s) of the extremities, other extremity
          I70.509 Unspecified atherosclerosis of nonautologous biological bypass graft(s) of the extremities, unspecified extremity
       I70.51 Atherosclerosis of nonautologous biological bypass graft(s) of the extremities intermittent claudication
          I70.511 Atherosclerosis of nonautologous biological bypass graft(s) of the extremities intermittent claudication, right leg
          I70.512 Atherosclerosis of nonautologous biological bypass graft(s) of the extremities intermittent claudication, left leg
          I70.513 Atherosclerosis of nonautologous biological bypass graft(s) of the extremities intermittent claudication, bilateral legs
          I70.518 Atherosclerosis of nonautologous biological bypass graft(s) of the extremities intermittent claudication, other extremity
          I70.519 Atherosclerosis of nonautologous biological bypass graft(s) of the extremities intermittent claudication, unspecified extremity
       I70. ​52 Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with rest pain
          Includes any condition classifiable to I70.51-
          I70.521 Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with rest pain, right leg
          I70.522 Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with rest pain, left leg
          I70.523 Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with rest pain, bilateral legs
          I70.528 Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with rest pain, other extremity
          I70.529 Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with rest pain, unspecified extremity
       I70.53 Atherosclerosis of nonautologous biological bypass graft(s) of the right leg with ulceration
          Includes any condition classifiable to I70.511 and I70.521
          Use additional code to identify severity of ulcer (L97.- with fifth character 1)
          I70.531 Atherosclerosis of nonautologous biological bypass graft(s) of the right leg with ulceration of thigh
          I70.532 Atherosclerosis of nonautologous biological bypass graft(s) of the right leg with ulceration of calf
          I70.533 Atherosclerosis of nonautologous biological bypass graft(s) of the right leg with ulceration of ankle
          I70.534 Atherosclerosis of nonautologous biological bypass graft(s) of the right leg with ulceration of heel and midfoot
             Atherosclerosis of nonautologous biological bypass graft(s) of right leg with ulceration of plantar surface of midfoot
          I70.535 Atherosclerosis of nonautologous biological bypass graft(s) of the right leg with ulceration of other part of foot
             Atherosclerosis of nonautologous biological bypass graft(s) of the right leg with ulceration of toe
          I70. ​538 Atherosclerosis of nonautologous biological bypass graft(s) of the right leg with ulceration of other part of lower leg
          I70.539 Atherosclerosis of nonautologous biological bypass graft(s) of the right leg with ulceration of unspecified site
       I70.54 Atherosclerosis of nonautologous biological bypass graft(s) of the left leg with ulceration
          Includes any condition classifiable to I70.512 and I70.522
          Use additional code to identify severity of ulcer (L97.- with fifth character 2)
          I70.541 Atherosclerosis of nonautologous biological bypass graft(s) of the left leg with ulceration of thigh
          I70.542 Atherosclerosis of nonautologous biological bypass graft(s) of the left leg with ulceration of calf
          I70.543 Atherosclerosis of nonautologous biological bypass graft(s) of the left leg with ulceration of ankle
          I70.544 Atherosclerosis of nonautologous biological bypass graft(s) of the left leg with ulceration of heel and midfoot
             Atherosclerosis of nonautologous biological bypass graft(s) of left leg with ulceration of plantar surface of midfoot
          I70.545 Atherosclerosis of nonautologous biological bypass graft(s) of the left leg with ulceration of other part of foot
             Atherosclerosis of nonautologous biological bypass graft(s) of the left leg with ulceration of toe
          I70.548 Atherosclerosis of nonautologous biological bypass graft(s) of the left leg with ulceration of other part of lower leg
          I70.549 Atherosclerosis of nonautologous biological bypass graft(s) of the left leg with ulceration of unspecified site
       I70.55 Atherosclerosis of nonautologous biological bypass graft(s) of other extremity with ulceration
          Includes any condition classifiable to I70.518, I70.528, and I70.538
          Use additional code to identify severity of ulcer (L98.49)
       I70.56 Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with gangrene
          Includes ​any condition classifiable to I70.51-, I70.52-, and I70.53-, I70.54-, I70.55
          Use additional code to identify the severity of any ulcer (L98.49-), if applicable
          I70.561 Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with gangrene, right leg
          I70.562 Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with gangrene, left leg
          I70.563 Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with gangrene, bilateral legs
          I70.568 Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with gangrene, other extremity
          I70.569 Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with gangrene, unspecified extremity
       I70.59 Other atherosclerosis of nonautologous biological bypass graft(s) of the extremities
          I70.591 Other atherosclerosis of nonautologous biological bypass graft(s) of the extremities, right leg
          I70.592 Other atherosclerosis of nonautologous biological bypass graft(s) of the extremities, left leg
          I70.593 Other atherosclerosis of nonautologous biological bypass graft(s) of the extremities, bilateral legs
          I70.598 Other atherosclerosis of nonautologous biological bypass graft(s) of the extremities, other extremity
          I70.599 Other atherosclerosis of nonautologous biological bypass graft(s) of the extremities, unspecified extremity
    I70.6 Atherosclerosis of nonbiological bypass graft(s) of the extremities
       Use additional code, if applicable, to identify chronic total occlusion of artery of extremity (I70.92)
       I70.60 Unspecified atherosclerosis of nonbiological bypass graft(s) of the extremities
          I70.601 Unspecified atherosclerosis of nonbiological bypass graft(s) of the extremities, right leg
          I70. ​602 Unspecified atherosclerosis of nonbiological bypass graft(s) of the extremities, left leg
          I70.603 Unspecified atherosclerosis of nonbiological bypass graft(s) of the extremities, bilateral legs
          I70.608 Unspecified atherosclerosis of nonbiological bypass graft(s) of the extremities, other extremity
          I70.609 Unspecified atherosclerosis of nonbiological bypass graft(s) of the extremities, unspecified extremity
       I70.61 Atherosclerosis of nonbiological bypass graft(s) of the extremities with intermittent claudication
          I70.611 Atherosclerosis of nonbiological bypass graft(s) of the extremities with intermittent claudication, right leg
          I70.612 Atherosclerosis of nonbiological bypass graft(s) of the extremities with intermittent claudication, left leg
          I70.613 Atherosclerosis of nonbiological bypass graft(s) of the extremities with intermittent claudication, bilateral legs
          I70.618 Atherosclerosis of nonbiological bypass graft(s) of the extremities with intermittent claudication, other extremity
          I70.619 Atherosclerosis of nonbiological bypass graft(s) of the extremities with intermittent claudication, unspecified extremity
       I70.62 Atherosclerosis of nonbiological bypass graft(s) of the extremities with rest pain
          Includes any condition classifiable to I70.61-
          I70.621 Atherosclerosis of nonbiological bypass graft(s) of the extremities with rest pain, right leg
          I70.622 Atherosclerosis of nonbiological bypass graft(s) of the extremities with rest pain, left leg
          I70.623 Atherosclerosis of nonbiological bypass graft(s) of the extremities with rest pain, bilateral legs
          I70.628 Atherosclerosis of nonbiological bypass graft(s) of the extremities with rest pain, other extremity
          I70. ​629 Atherosclerosis of nonbiological bypass graft(s) of the extremities with rest pain, unspecified extremity
       I70.63 Atherosclerosis of nonbiological bypass graft(s) of the right leg with ulceration
          Includes any condition classifiable to I70.611 and I70.621
          Use additional code to identify severity of ulcer (L97.- with fifth character 1)
          I70.631 Atherosclerosis of nonbiological bypass graft(s) of the right leg with ulceration of thigh
          I70.632 Atherosclerosis of nonbiological bypass graft(s) of the right leg with ulceration of calf
          I70.633 Atherosclerosis of nonbiological bypass graft(s) of the right leg with ulceration of ankle
          I70.634 Atherosclerosis of nonbiological bypass graft(s) of the right leg with ulceration of heel and midfoot
             Atherosclerosis of nonbiological bypass graft(s) of right leg with ulceration of plantar surface of midfoot
          I70.635 Atherosclerosis of nonbiological bypass graft(s) of the right leg with ulceration of other part of foot
             Atherosclerosis of nonbiological bypass graft(s) of the right leg with ulceration of toe
          I70.638 Atherosclerosis of nonbiological bypass graft(s) of the right leg with ulceration of other part of lower leg
          I70.639 Atherosclerosis of nonbiological bypass graft(s) of the right leg with ulceration of unspecified site
       I70.64 Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration
          Includes any condition classifiable to I70.612 and I70.622
          Use additional code to identify severity of ulcer (L97.- with fifth character 2)
          I70.641 Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration of thigh
          I70.642 Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration of calf
          I70. ​643 Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration of ankle
          I70.644 Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration of heel and midfoot
             Atherosclerosis of nonbiological bypass graft(s) of left leg with ulceration of plantar surface of midfoot
          I70.645 Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration of other part of foot
             Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration of toe
          I70.648 Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration of other part of lower leg
          I70.649 Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration of unspecified site
       I70.65 Atherosclerosis of nonbiological bypass graft(s) of other extremity with ulceration
          Includes any condition classifiable to I70.618 and I70.628
          Use additional code to identify severity of ulcer (L98.49)
       I70.66 Atherosclerosis of nonbiological bypass graft(s) of the extremities with gangrene
          Includes any condition classifiable to I70.61-, I70.62-, I70.63-, I70.64-, I70.65
          Use additional code to identify the severity of any ulcer (L98.49-), if applicable
          I70.661 Atherosclerosis of nonbiological bypass graft(s) of the extremities with gangrene, right leg
          I70.662 Atherosclerosis of nonbiological bypass graft(s) of the extremities with gangrene, left leg
          I70.663 Atherosclerosis of nonbiological bypass graft(s) of the extremities with gangrene, bilateral legs
          I70.668 Atherosclerosis of nonbiological bypass graft(s) of the extremities with gangrene, other extremity
          I70.669 Atherosclerosis of nonbiological bypass graft(s) of the extremities with gangrene, unspecified extremity
       I70. ​69 Other atherosclerosis of nonbiological bypass graft(s) of the extremities
          I70.691 Other atherosclerosis of nonbiological bypass graft(s) of the extremities, right leg
          I70.692 Other atherosclerosis of nonbiological bypass graft(s) of the extremities, left leg
          I70.693 Other atherosclerosis of nonbiological bypass graft(s) of the extremities, bilateral legs
          I70.698 Other atherosclerosis of nonbiological bypass graft(s) of the extremities, other extremity
          I70.699 Other atherosclerosis of nonbiological bypass graft(s) of the extremities, unspecified extremity
    I70.7 Atherosclerosis of other type of bypass graft(s) of the extremities
       Use additional code, if applicable, to identify chronic total occlusion of artery of extremity (I70.92)
       I70.70 Unspecified atherosclerosis of other type of bypass graft(s) of the extremities
          I70.701 Unspecified atherosclerosis of other type of bypass graft(s) of the extremities, right leg
          I70.702 Unspecified atherosclerosis of other type of bypass graft(s) of the extremities, left leg
          I70.703 Unspecified atherosclerosis of other type of bypass graft(s) of the extremities, bilateral legs
          I70.708 Unspecified atherosclerosis of other type of bypass graft(s) of the extremities, other extremity
          I70.709 Unspecified atherosclerosis of other type of bypass graft(s) of the extremities, unspecified extremity
       I70.71 Atherosclerosis of other type of bypass graft(s) of the extremities with intermittent claudication
          I70.711 Atherosclerosis of other type of bypass graft(s) of the extremities with intermittent claudication, right leg
          I70.712 Atherosclerosis of other type of bypass graft(s) of the extremities with intermittent claudication, left leg
          I70.713 Atherosclerosis of other type of bypass graft(s) of the extremities with intermittent claudication, bilateral legs
          I70. ​718 Atherosclerosis of other type of bypass graft(s) of the extremities with intermittent claudication, other extremity
          I70.719 Atherosclerosis of other type of bypass graft(s) of the extremities with intermittent claudication, unspecified extremity
       I70.72 Atherosclerosis of other type of bypass graft(s) of the extremities with rest pain
          Includes any condition classifiable to I70.71-
          I70.721 Atherosclerosis of other type of bypass graft(s) of the extremities with rest pain, right leg
          I70.722 Atherosclerosis of other type of bypass graft(s) of the extremities with rest pain, left leg
          I70.723 Atherosclerosis of other type of bypass graft(s) of the extremities with rest pain, bilateral legs
          I70.728 Atherosclerosis of other type of bypass graft(s) of the extremities with rest pain, other extremity
          I70.729 Atherosclerosis of other type of bypass graft(s) of the extremities with rest pain, unspecified extremity
       I70.73 Atherosclerosis of other type of bypass graft(s) of the right leg with ulceration
          Includes any condition classifiable to I70.711 and I70.721
          Use additional code to identify severity of ulcer (L97.- with fifth character 1)
          I70.731 Atherosclerosis of other type of bypass graft(s) of the right leg with ulceration of thigh
          I70.732 Atherosclerosis of other type of bypass graft(s) of the right leg with ulceration of calf
          I70.733 Atherosclerosis of other type of bypass graft(s) of the right leg with ulceration of ankle
          I70.734 Atherosclerosis of other type of bypass graft(s) of the right leg with ulceration of heel and midfoot
          Atherosclerosis of other type of bypass graft(s) of right leg with ulceration of plantar surface of midfoot
          I70. ​735 Atherosclerosis of other type of bypass graft(s) of the right leg with ulceration of other part of foot
             Atherosclerosis of other type of bypass graft(s) of right leg with ulceration of toe
          I70.738 Atherosclerosis of other type of bypass graft(s) of the right leg with ulceration of other part of lower leg
          I70.739 Atherosclerosis of other type of bypass graft(s) of the right leg with ulceration of unspecified site
       I70.74 Atherosclerosis of other type of bypass graft(s) of the left leg with ulceration
          Includes any condition classifiable to I70.712 and I70.722
          Use additional code to identify severity of ulcer (L97.- with fifth character 2)
          I70.741 Atherosclerosis of other type of bypass graft(s) of the left leg with ulceration of thigh
          I70.742 Atherosclerosis of other type of bypass graft(s) of the left leg with ulceration of calf
          I70.743 Atherosclerosis of other type of bypass graft(s) of the left leg with ulceration of ankle
          I70.744 Atherosclerosis of other type of bypass graft(s) of the left leg with ulceration of heel and midfoot
             Atherosclerosis of other type of bypass graft(s) of left leg with ulceration of plantar surface of midfoot
          I70.745 Atherosclerosis of other type of bypass graft(s) of the left leg with ulceration of other part of foot
             Atherosclerosis of other type of bypass graft(s) of left leg with ulceration of toe
          I70.748 Atherosclerosis of other type of bypass graft(s) of the left leg with ulceration of other part of lower leg
          I70.749 Atherosclerosis of other type of bypass graft(s) of the left leg with ulceration of unspecified site
       I70.75 Atherosclerosis of other type of bypass graft(s) of other extremity with ulceration
          Includes any condition classifiable to I70.718 and I70.728
          Use additional code to identify severity of ulcer (L98.49)
       I70. ​76 Atherosclerosis of other type of bypass graft(s) of the extremities with gangrene
          Includes any condition classifiable to I70.71-, I70.72-, I70.73-, I70.74-, I70.75
          Use additional code to identify the severity of any ulcer (L98.49-), if applicable
          I70.761 Atherosclerosis of other type of bypass graft(s) of the extremities with gangrene, right leg
          I70.762 Atherosclerosis of other type of bypass graft(s) of the extremities with gangrene, left leg
          I70.763 Atherosclerosis of other type of bypass graft(s) of the extremities with gangrene, bilateral legs
          I70.768 Atherosclerosis of other type of bypass graft(s) of the extremities with gangrene, other extremity
          I70.769 Atherosclerosis of other type of bypass graft(s) of the extremities with gangrene, unspecified extremity
       I70.79 Other atherosclerosis of other type of bypass graft(s) of the extremities
          I70.791 Other atherosclerosis of other type of bypass graft(s) of the extremities, right leg
          I70.792 Other atherosclerosis of other type of bypass graft(s) of the extremities, left leg
          I70.793 Other atherosclerosis of other type of bypass graft(s) of the extremities, bilateral legs
          I70.798 Other atherosclerosis of other type of bypass graft(s) of the extremities, other extremity
          I70.799 Other atherosclerosis of other type of bypass graft(s) of the extremities, unspecified extremity
    I70.8 Atherosclerosis of other arteries
    I70.9 Other and unspecified atherosclerosis
       I70.90 Unspecified atherosclerosis
       I70.91 Generalized atherosclerosis
       I70.92 Chronic total occlusion of artery of the extremities
          Complete occlusion of artery of the extremities
          Total occlusion of artery of the extremities
          Code first atherosclerosis of arteries of the extremities (I70.2-, I70.3-, I70.4-, I70.5-, I70.6-, I70.7-)
          Excludes1: ​acute occlusion of artery of the extremity (I74.2-, I74.3-, I74.4-)

## I71 Aortic aneurysm and dissectionI71 Aortic aneurysm and dissection

    Excludes1: syphilitic aortic aneurysm (A52.01)
       traumatic aortic aneurysm (S25.09, S35.09)
    I71.0 Dissection of aorta
       I71.00 Dissection of unspecified site of aorta
       I71.01 Dissection of thoracic aorta
       I71.02 Dissection of abdominal aorta
       I71.03 Dissection of thoracoabdominal aorta
    I71.1 Thoracic aortic aneurysm, ruptured
    I71.2 Thoracic aortic aneurysm, without rupture
    I71.3 Abdominal aortic aneurysm, ruptured
    I71.4 Abdominal aortic aneurysm, without rupture
    I71.5 Thoracoabdominal aortic aneurysm, ruptured
    I71.6 Thoracoabdominal aortic aneurysm, without rupture
    I71.8 Aortic aneurysm of unspecified site, ruptured
       Rupture of aorta NOS
    I71.9 Aortic aneurysm of unspecified site, without rupture
       Aneurysm of aorta
       Dilatation of aorta
       Hyaline necrosis of aorta

## I72 Other aneurysmI72 Other aneurysm

    Includes: aneurysm (cirsoid) (false) (ruptured)
    Excludes2: acquired aneurysm (I77.0)
       aneurysm (of) aorta (I71.-)
       aneurysm (of) arteriovenous NOS (Q27.3-)
       carotid artery dissection (I77.71)
       cerebral (nonruptured) aneurysm (I67.1)
       coronary aneurysm (I25.4)
       coronary artery dissection (I25.42)
       dissection of artery NEC (I77.79)
       heart aneurysm (I25.3)
       iliac artery dissection (I77.72)
       pulmonary artery aneurysm (I28.1)
       renal artery dissection (I77.73)
       retinal aneurysm (H35.0)
       ruptured cerebral aneurysm (I60.7)
       varicose aneurysm (I77.0)
       vertebral artery dissection (I77.74)
    I72.0 Aneurysm of carotid artery (common) (external) (internal, extracranial portion)
       Excludes1: aneurysm of internal carotid artery, intracranial portion (I67.1)
          aneurysm of internal carotid artery NOS (I67.1)
    I72.1 Aneurysm of artery of upper extremity
    I72. ​2 Aneurysm of renal artery
    I72.3 Aneurysm of iliac artery
    I72.4 Aneurysm of artery of lower extremity
    I72.8 Aneurysm of other specified arteries
    I72.9 Aneurysm of unspecified site

## I73 Other peripheral vascular diseasesI73 Other peripheral vascular diseases

    Excludes2: chilblains (T69.1)
       frostbite (T33- T34)
       immersion hand or foot (T69.0-)
       spasm of cerebral artery (G45.9)
    I73.0 Raynaud's syndrome
       Raynaud's disease
       Raynaud's phenomenon (secondary)
       I73.00 Raynaud's syndrome without gangrene
       I73.01 Raynaud's syndrome with gangrene
    I73.1 Thromboangiitis obliterans [Buerger's disease]
    I73.8 Other specified peripheral vascular diseases
       Excludes1: diabetic (peripheral) angiopathy (E08-E13 with .51-.52)
       I73.81 Erythromelalgia
       I73.89 Other specified peripheral vascular diseases
          Acrocyanosis
          Erythrocyanosis
          Simple acroparesthesia [Schultze's type]
          Vasomotor acroparesthesia [Nothnagel's type]
    I73.9 Peripheral vascular disease, unspecified
       Intermittent claudication
       Peripheral angiopathy NOS
       Spasm of artery
       Excludes1: atherosclerosis of the extremities (I70.2--I70.7-)

## I74 Arterial embolism and thrombosisI74 Arterial embolism and thrombosis

    Includes: embolic infarction
       thrombotic infarction
       embolic occlusion
       thrombotic occlusion
    Code first embolism and thrombosis complicating:
       abortion or ectopic or molar pregnancy (O00-O07, O08.2)
       pregnancy, childbirth and the puerperium (O88.-)
    Excludes2: atheroembolism (I75.-)
       embolism and thrombosis:
       basilar (I63.0-I63.2, I65.1)
       carotid (I63.0-I63.2, I65.2)
       cerebral (I63.3-I63.5, I66.-)
       coronary (I21-I25)
       mesenteric (K55.0)
       ophthalmic (H34.-)
       precerebral ​NOS (I63.0-I63.2, I65.9)
       pulmonary (I26.-)
       renal (N28.0)
       retinal (H34.-)
       septic (I76)
       vertebral (I63.0-I63.2, I65.0)
    I74.0 Embolism and thrombosis of abdominal aorta
       Aortic bifurcation syndrome
       Aortoiliac obstruction
       Leriche's syndrome
       Saddle embolus
    I74.1 Embolism and thrombosis of other and unspecified parts of aorta
       I74.10 Embolism and thrombosis of unspecified parts of aorta
       I74.11 Embolism and thrombosis of thoracic aorta
       I74.19 Embolism and thrombosis of other parts of aorta
    I74.2 Embolism and thrombosis of arteries of the upper extremities
    I74.3 Embolism and thrombosis of arteries of the lower extremities
    I74.4 Embolism and thrombosis of arteries of extremities, unspecified
       Peripheral arterial embolism NOS
    I74.5 Embolism and thrombosis of iliac artery
    I74.8 Embolism and thrombosis of other arteries
    I74.9 Embolism and thrombosis of unspecified artery

## I75 AtheroembolismI75 Atheroembolism

    Includes: Atherothrombotic microembolism
       Cholesterol embolism
    I75.0 Atheroembolism of extremities
       I75.01 Atheroembolism of upper extremity
          I75.011 Atheroembolism of right upper extremity
          I75.012 Atheroembolism of left upper extremity
          I75.013 Atheroembolism of bilateral upper extremities
          I75.019 Atheroembolism of unspecified upper extremity
       I75.02 Atheroembolism of lower extremity
          I75.021 Atheroembolism of right lower extremity
          I75.022 Atheroembolism of left lower extremity
          I75.023 Atheroembolism of bilateral lower extremities
          I75.029 Atheroembolism of unspecified lower extremity
    I75.8 Atheroembolism of other sites
       I75.81 Atheroembolism of kidney
          Use ​additional code for any associated acute kidney failure and chronic kidney disease (N17.-, N18.-)
       I75.89 Atheroembolism of other site

## I76 Septic arterial embolismI76 Septic arterial embolism

    Code first underlying infection, such as:
       infective endocarditis (I33.0)
       lung abscess (J85.-)
    Use additional code to identify the site of the embolism (I74.-)
    Excludes2: septic pulmonary embolism (I26.01, I26.90)

## I77 Other disorders of arteries and arteriolesI77 Other disorders of arteries and arterioles

    Excludes2: collagen (vascular) diseases (M30-M36)
       hypersensitivity angiitis (M31.0)
       pulmonary artery (I28.-)
    I77.0 Arteriovenous fistula, acquired
       Aneurysmal varix
       Arteriovenous aneurysm, acquired
    Excludes1: arteriovenous aneurysm NOS (Q27.3-)
       presence of arteriovenous shunt (fistula) for dialysis (Z99.2)
       traumatic - see injury of blood vessel by body region
    Excludes2: cerebral (I67.1)
       coronary (I25.4)
    I77.1 Stricture of artery
       Narrowing of artery
    I77.2 Rupture of artery
       Erosion of artery
       Fistula of artery
       Ulcer of artery
       Excludes1: traumatic rupture of artery - see injury of blood vessel by body region
    I77.3 Arterial fibromuscular dysplasia
       Fibromuscular hyperplasia (of) carotid artery
       Fibromuscular hyperplasia (of) renal artery
    I77.4 Celiac artery compression syndrome
    I77.5 Necrosis of artery
    I77.6 Arteritis, unspecified
       Aortitis NOS
       Endarteritis NOS
       Excludes1: arteritis or endarteritis:
          aortic arch (M31.4)
          cerebral NEC (I67.7)
          coronary (I25.89)
          deformans (I70.-)
          giant cell (M31.5., M31.6)
          obliterans (I70.-)
          senile ( ​I70.-)
    I77.7 Other arterial dissection
       Excludes2: dissection of aorta (I71.0-)
          dissection of coronary artery (I25.42)
       I77.71 Dissection of carotid artery
       I77.72 Dissection of iliac artery
       I77.73 Dissection of renal artery
       I77.74 Dissection of vertebral artery
       I77.79 Dissection of other artery
    I77.8 Other specified disorders of arteries and arterioles
    I77.9 Disorder of arteries and arterioles, unspecified

## I78 Diseases of capillariesI78 Diseases of capillaries

    I78.0 Hereditary hemorrhagic telangiectasia
       Rendu-Osler-Weber disease
    I78.1 Nevus, non-neoplastic
       Araneus nevus
       Senile nevus
       Spider nevus
       Stellar nevus
       Excludes1: nevus NOS (D22.-)
          vascular NOS (Q82.5)
       Excludes2: blue nevus (D22.-)
          flammeus nevus (Q82.5)
          hairy nevus (D22.-)
          melanocytic nevus (D22.-)
          pigmented nevus (D22.-)
          portwine nevus (Q82.5)
          sanguineous nevus (Q82.5)
          strawberry nevus (Q82.5)
          verrucous nevus (Q82.5)
    I78.8 Other diseases of capillaries
    I78.9 Disease of capillaries, unspecified

## I79 Disorders of arteries, arterioles and capillaries in diseases classified elsewhereI79 Disorders of arteries, arterioles and capillaries in diseases classified elsewhere

    I79.0 Aneurysm of aorta in diseases classified elsewhere
       Code first underlying disease
       Excludes1: syphilitic aneurysm (A52.01)
    I79.1 Aortitis in diseases classified elsewhere
       Code first underlying disease
       Excludes1: syphilitic aortitis (A52.02)
    I79.8 Other disorders of arteries, arterioles and capillaries in diseases classified elsewhere
       Code first underlying disease, such as:
          amyloidosis (E85.-)
       Excludes1: diabetic (peripheral) angiopathy (E08-E13 with .51-.52)
          endarteritis:
          ​syphilitic (A52.09)
          tuberculous (A18.89)

# Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified. (I80-I89)Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified. (I80-I89)
## I80 Phlebitis and thrombophlebitisI80 Phlebitis and thrombophlebitis

    Includes: endophlebitis
       inflammation, vein
       periphlebitis
       suppurative phlebitis
    Code first phlebitis and thrombophlebitis complicating:
       abortion, ectopic or molar pregnancy (O00-O07, O08.7)
       pregnancy, childbirth and the puerperium (O22.-, O87.-)
    Excludes1: venous embolism and thrombosis of lower extremities (I82.4-, I82.81-)
    Excludes2: phlebitis and thrombophlebitis (of):
       intracranial and intraspinal, septic or NOS (G08)
       intracranial, nonpyogenic (I67.6)
       intraspinal, nonpyogenic (G95.1)
       portal (vein) (K75.1)
       postphlebitic syndrome (I87.0)
       postthrombotic syndrome (I87.0)
       thrombophlebitis migrans (I82.1)
    I80.0 Phlebitis and thrombophlebitis of superficial vessels of lower extremities
       Phlebitis and thrombophlebitis of femoropopliteal vein
       I80.00 Phlebitis and thrombophlebitis of superficial vessels of unspecified lower extremity
       I80.01 Phlebitis and thrombophlebitis of superficial vessels of right lower extremity
       I80.02 Phlebitis and thrombophlebitis of superficial vessels of left lower extremity
       I80.03 Phlebitis and thrombophlebitis of superficial vessels of lower extremities, bilateral
    I80.1 Phlebitis and thrombophlebitis of femoral vein
       I80.10 Phlebitis and thrombophlebitis of unspecified femoral vein
       I80.11 Phlebitis and thrombophlebitis of right femoral vein
       I80.12 Phlebitis and thrombophlebitis of left femoral vein
       I80.13 Phlebitis and thrombophlebitis of femoral vein, bilateral
    I80.2 Phlebitis and thrombophlebitis of other and unspecified deep vessels of lower extremities
       I80. ​20 Phlebitis and thrombophlebitis of unspecified deep vessels of lower extremities
          I80.201 Phlebitis and thrombophlebitis of unspecified deep vessels of right lower extremity
          I80.202 Phlebitis and thrombophlebitis of unspecified deep vessels of left lower extremity
          I80.203 Phlebitis and thrombophlebitis of unspecified deep vessels of lower extremities, bilateral
          I80.209 Phlebitis and thrombophlebitis of unspecified deep vessels of unspecified lower extremity
       I80.21 Phlebitis and thrombophlebitis of iliac vein
          I80.211 Phlebitis and thrombophlebitis of right iliac vein
          I80.212 Phlebitis and thrombophlebitis of left iliac vein
          I80.213 Phlebitis and thrombophlebitis of iliac vein, bilateral
          I80.219 Phlebitis and thrombophlebitis of unspecified iliac vein
       I80.22 Phlebitis and thrombophlebitis of popliteal vein
          I80.221 Phlebitis and thrombophlebitis of right popliteal vein
          I80.222 Phlebitis and thrombophlebitis of left popliteal vein
          I80.223 Phlebitis and thrombophlebitis of popliteal vein, bilateral
          I80.229 Phlebitis and thrombophlebitis of unspecified popliteal vein
       I80.23 Phlebitis and thrombophlebitis of tibial vein
          I80.231 Phlebitis and thrombophlebitis of right tibial vein
          I80.232 Phlebitis and thrombophlebitis of left tibial vein
          I80.233 Phlebitis and thrombophlebitis of tibial vein, bilateral
          I80.239 Phlebitis and thrombophlebitis of unspecified tibial vein
       I80.29 Phlebitis and thrombophlebitis of other deep vessels of lower extremities
          I80.291 Phlebitis and thrombophlebitis of other deep vessels of right lower extremity
          I80. ​292 Phlebitis and thrombophlebitis of other deep vessels of left lower extremity
          I80.293 Phlebitis and thrombophlebitis of other deep vessels of lower extremity, bilateral
          I80.299 Phlebitis and thrombophlebitis of other deep vessels of unspecified lower extremity
    I80.3 Phlebitis and thrombophlebitis of lower extremities, unspecified
    I80.8 Phlebitis and thrombophlebitis of other sites
    I80.9 Phlebitis and thrombophlebitis of unspecified site

## I81 Portal vein thrombosisI81 Portal vein thrombosis

    Includes: portal (vein) obstruction
    Excludes2: hepatic vein thrombosis (I82.0)
       phlebitis of portal vein (K75.1)

## I82 Other venous embolism and thrombosisI82 Other venous embolism and thrombosis

    Code first venous embolism and thrombosis complicating:
       abortion, ectopic or molar pregnancy (O00-O07, O08.7)
       pregnancy, childbirth and the puerperium (O22.-, O87.-)
    Excludes2: venous embolism and thrombosis (of)
       cerebral (I63.6, I67.6)
       coronary (I21-I25)
       intracranial and intraspinal, septic or NOS (G08)
       intracranial, nonpyogenic (I67.6)
       intraspinal, nonpyogenic (G95.1)
       mesenteric (K55.0)
       portal (I81)
       pulmonary (I26.-)
    I82.0 Budd-Chiari syndrome
       Hepatic vein thrombosis
    I82.1 Thrombophlebitis migrans
    I82.2 Embolism and thrombosis of vena cava and other thoracic veins
       I82.21 Embolism and thrombosis of superior vena cava
          I82.210 Acute embolism and thrombosis of superior vena cava
             Embolism and thrombosis of superior vena cava NOS
          I82.211 Chronic embolism and thrombosis of superior vena cava
       I82.22 Embolism and thrombosis of inferior vena cava
          I82.220 Acute embolism and thrombosis of inferior vena cava
             Embolism ​and thrombosis of inferior vena cava NOS
          I82.221 Chronic embolism and thrombosis of inferior vena cava
       I82.29 Embolism and thrombosis of other thoracic veins
          Embolism and thrombosis of brachiocephalic (innominate) vein
          I82.290 Acute embolism and thrombosis of other thoracic veins
          I82.291 Chronic embolism and thrombosis of other thoracic veins
    I82.3 Embolism and thrombosis of renal vein
    I82.4 Acute embolism and thrombosis of deep veins of lower extremity
       I82.40 Acute embolism and thrombosis of unspecified deep veins of lower extremity
          Deep vein thrombosis NOS
          DVT NOS
       I82.41 Acute embolism and thrombosis of femoral vein
          I82.411 Acute embolism and thrombosis of right femoral vein
          I82.412 Acute embolism and thrombosis of left femoral vein
          I82.413 Acute embolism and thrombosis of femoral vein, bilateral
          I82.419 Acute embolism and thrombosis of unspecified femoral vein
       I82.42 Acute embolism and thrombosis of iliac vein
          I82.421 Acute embolism and thrombosis of right iliac vein
          I82.422 Acute embolism and thrombosis of left iliac vein
          I82.423 Acute embolism and thrombosis of iliac vein, bilateral
          I82.429 Acute embolism and thrombosis of unspecified iliac vein
       I82.43 Acute embolism and thrombosis of popliteal vein
          I82.431 Acute embolism and thrombosis of right popliteal vein
          I82.432 Acute embolism and thrombosis of left popliteal vein
          I82. ​433 Acute embolism and thrombosis of popliteal vein, bilateral
          I82.439 Acute embolism and thrombosis of unspecified popliteal vein
       I82.44 Acute embolism and thrombosis of tibial vein
          I82.441 Acute embolism and thrombosis of right tibial vein
          I82.442 Acute embolism and thrombosis of left tibial vein
          I82.443 Acute embolism and thrombosis of tibial vein, bilateral
          I82.449 Acute embolism and thrombosis of unspecified tibial vein
       I82.49 Acute embolism and thrombosis of other deep vein of lower extremity
          I82.491 Acute embolism and thrombosis of other deep vein of right lower extremity
          I82.492 Acute embolism and thrombosis of other deep vein of left lower extremity
          I82.493 Acute embolism and thrombosis of other deep vein of lower extremity, bilateral
          I82.499 Acute embolism and thrombosis of other deep vein of unspecified lower extremity
    I82.5 Chronic embolism and thrombosis of deep veins of lower extremity
       Use additional code, if applicable, for associated long-term (current) use of anticoagulants (Z79.01)
       Excludes1: personal history of venous embolism and thrombosis (Z86.71)
       I82.50 Chronic embolism and thrombosis of unspecified deep veins of lower extremity
       I82.51 Chronic embolism and thrombosis of femoral vein
          I82.511 Chronic embolism and thrombosis of right femoral vein
          I82.512 Chronic embolism and thrombosis of left femoral vein
          I82.513 Chronic embolism and thrombosis of femoral vein, bilateral
          I82.519 Chronic embolism and thrombosis of unspecified femoral vein
       I82.52 Chronic embolism and thrombosis of iliac vein
          I82.521 Chronic embolism and thrombosis of right iliac vein
          I82. ​522 Chronic embolism and thrombosis of left iliac vein
          I82.523 Chronic embolism and thrombosis of iliac vein, bilateral
          I82.529 Chronic embolism and thrombosis of unspecified iliac vein
       I82.53 Chronic embolism and thrombosis of popliteal vein
          I82.531 Chronic embolism and thrombosis of right popliteal vein
          I82.532 Chronic embolism and thrombosis of left popliteal vein
          I82.533 Chronic embolism and thrombosis of popliteal vein, bilateral
          I82.539 Chronic embolism and thrombosis of unspecified popliteal vein
       I82.54 Chronic embolism and thrombosis of tibial vein
          I82.541 Chronic embolism and thrombosis of right tibial vein
          I82.542 Chronic embolism and thrombosis of left tibial vein
          I82.543 Chronic embolism and thrombosis of tibial vein, bilateral
          I82.549 Chronic embolism and thrombosis of unspecified tibial vein
       I82.59 Chronic embolism and thrombosis of other deep vein of lower extremity
          I82.591 Chronic embolism and thrombosis of other deep vein of right lower extremity
          I82.592 Chronic embolism and thrombosis of other deep vein of left lower extremity
          I82.593 Chronic embolism and thrombosis of other deep vein of lower extremity, bilateral
          I82.599 Chronic embolism and thrombosis of other deep vein of unspecified lower extremity
    I82.6 Acute embolism and thrombosis of veins of upper extremity
       I82.60 Acute embolism and thrombosis of unspecified veins of upper extremity
          I82.601 Acute embolism and thrombosis of unspecified veins of right upper extremity
          I82.602 Acute embolism and thrombosis of unspecified veins of left upper extremity
          I82.603 Acute embolism and thrombosis of unspecified veins of upper extremity, bilateral
          I82. ​609 Acute embolism and thrombosis of unspecified veins of unspecified upper extremity
       I82.61 Acute embolism and thrombosis of superficial veins of upper extremity
          Acute embolism and thrombosis of antecubital vein
          Acute embolism and thrombosis of basilic vein
          Acute embolism and thrombosis of cephalic vein
          I82.611 Acute embolism and thrombosis of superficial veins of right upper extremity
          I82.612 Acute embolism and thrombosis of superficial veins of left upper extremity
          I82.613 Acute embolism and thrombosis of superficial veins of upper extremity, bilateral
          I82.619 Acute embolism and thrombosis of superficial veins of unspecified upper extremity
       I82.62 Acute embolism and thrombosis of deep veins of upper extremity
          Acute embolism and thrombosis of brachial vein
          Acute embolism and thrombosis of radial vein
          Acute embolism and thrombosis of ulnar vein
          I82.621 Acute embolism and thrombosis of deep veins of right upper extremity
          I82.622 Acute embolism and thrombosis of deep veins of left upper extremity
          I82.623 Acute embolism and thrombosis of deep veins of upper extremity, bilateral
          I82.629 Acute embolism and thrombosis of deep veins of unspecified upper extremity
    I82.7 Chronic embolism and thrombosis of veins of upper extremity
       Use additional code, if applicable, for associated long-term (current) use of anticoagulants (Z79.01)
       Excludes1: personal history of venous embolism and thrombosis (Z86.71)
       I82.70 Chronic embolism and thrombosis of unspecified veins of upper extremity
          I82.701 Chronic embolism and thrombosis of unspecified veins of right upper extremity
          I82.702 Chronic embolism and thrombosis of unspecified veins of left upper extremity
          I82.703 Chronic embolism and thrombosis of unspecified veins of upper extremity, bilateral
          I82. ​709 Chronic embolism and thrombosis of unspecified veins of unspecified upper extremity
       I82.71 Chronic embolism and thrombosis of superficial veins of upper extremity
          Chronic embolism and thrombosis of antecubital vein
          Chronic embolism and thrombosis of basilic vein
          Chronic embolism and thrombosis of cephalic vein
          I82.711 Chronic embolism and thrombosis of superficial veins of right upper extremity
          I82.712 Chronic embolism and thrombosis of superficial veins of left upper extremity
          I82.713 Chronic embolism and thrombosis of superficial veins of upper extremity, bilateral
          I82.719 Chronic embolism and thrombosis of superficial veins of unspecified upper extremity
       I82.72 Chronic embolism and thrombosis of deep veins of upper extremity
          Chronic embolism and thrombosis of brachial vein
          Chronic embolism and thrombosis of radial vein
          Chronic embolism and thrombosis of ulnar vein
          I82.721 Chronic embolism and thrombosis of deep veins of right upper extremity
          I82.722 Chronic embolism and thrombosis of deep veins of left upper extremity
          I82.723 Chronic embolism and thrombosis of deep veins of upper extremity, bilateral
          I82.729 Chronic embolism and thrombosis of deep veins of unspecified upper extremity
    I82.a Embolism and thrombosis of axillary vein
       I82.a1 Acute embolism and thrombosis of axillary vein
          I82.a11 Acute embolism and thrombosis of right axillary vein
          I82.a12 Acute embolism and thrombosis of left axillary vein
          I82.a13 Acute embolism and thrombosis of axillary vein, bilateral
          I82.a19 Acute embolism and thrombosis of unspecified axillary vein
       I82.a2 Chronic embolism and thrombosis of axillary vein
          I82.a21 Chronic embolism and thrombosis of right axillary vein
          I82. ​a22 Chronic embolism and thrombosis of left axillary vein
          I82.a23 Chronic embolism and thrombosis of axillary vein, bilateral
          I82.a29 Chronic embolism and thrombosis of unspecified axillary vein
    I82.b Embolism and thrombosis of subclavian vein
       I82.b1 Acute embolism and thrombosis of subclavian vein
          I82.b11 Acute embolism and thrombosis of right subclavian vein
          I82.b12 Acute embolism and thrombosis of left subclavian vein
          I82.b13 Acute embolism and thrombosis of subclavian vein, bilateral
          I82.b19 Acute embolism and thrombosis of unspecified subclavian vein
       I82.b2 Chronic embolism and thrombosis of subclavian vein
          I82.b21 Chronic embolism and thrombosis of right subclavian vein
          I82.b22 Chronic embolism and thrombosis of left subclavian vein
          I82.b23 Chronic embolism and thrombosis of subclavian vein, bilateral
          I82.b29 Chronic embolism and thrombosis of unspecified subclavian vein
    I82.c Embolism and thrombosis of internal jugular vein
       I82.c1 Acute embolism and thrombosis of internal jugular vein
          I82.c11 Acute embolism and thrombosis of right internal jugular vein
          I82.c12 Acute embolism and thrombosis of left internal jugular vein
          I82.c13 Acute embolism and thrombosis of internal jugular vein, bilateral
          I82.c19 Acute embolism and thrombosis of unspecified internal jugular vein
       I82.c2 Chronic embolism and thrombosis of internal jugular vein
          I82.c21 Chronic embolism and thrombosis of right internal jugular vein
          I82.c22 Chronic embolism and thrombosis of left internal jugular vein
          I82.c23 Chronic embolism and thrombosis of internal jugular vein, bilateral
          I82. ​c29 Chronic embolism and thrombosis of unspecified internal jugular vein
    I82.8 Embolism and thrombosis of other specified veins
       I82.81 Embolism and thrombosis of superficial veins of lower extremities
          Embolism and thrombosis of saphenous vein (greater) (lesser)
          I82.811 Embolism and thrombosis of superficial veins of right lower extremities
          I82.812 Embolism and thrombosis of superficial veins of left lower extremities
          I82.813 Embolism and thrombosis of superficial veins of lower extremities, bilateral
          I82.819 Embolism and thrombosis of superficial veins of unspecified lower extremities
       I82.89 Embolism and thrombosis of other specified veins
          I82.890 Acute embolism and thrombosis of other specified veins
          I82.891 Chronic embolism and thrombosis of other specified veins
    I82.9 Embolism and thrombosis of unspecified vein
       I82.90 Acute embolism and thrombosis of unspecified vein
          Embolism of vein NOS
          Thrombosis (vein) NOS
       I82.91 Chronic embolism and thrombosis of unspecified vein

## I83 Varicose veins of lower extremitiesI83 Varicose veins of lower extremities

    Excludes1: varicose veins complicating pregnancy (O22.0-)
          varicose veins complicating the puerperium (O87.4)
    I83.0 Varicose veins of lower extremities with ulcer
       Use additional code to identify severity of ulcer (L97.-)
       I83.00 Varicose veins of unspecified lower extremity with ulcer
          I83.001 Varicose veins of unspecified lower extremity with ulcer of thigh
          I83.002 Varicose veins of unspecified lower extremity with ulcer of calf
          I83.003 Varicose veins of unspecified lower extremity with ulcer of ankle
          I83.004 Varicose veins of unspecified lower extremity with ulcer of heel and midfoot
             Varicose veins of unspecified lower extremity with ulcer of plantar surface of midfoot
          I83.005 Varicose veins of unspecified lower extremity with ulcer other part of foot
             Varicose ​veins of unspecified lower extremity with ulcer of toe
          I83.008 Varicose veins of unspecified lower extremity with ulcer other part of lower leg
          I83.009 Varicose veins of unspecified lower extremity with ulcer of unspecified site
       I83.01 Varicose veins of right lower extremity with ulcer
          I83.011 Varicose veins of right lower extremity with ulcer of thigh
          I83.012 Varicose veins of right lower extremity with ulcer of calf
          I83.013 Varicose veins of right lower extremity with ulcer of ankle
          I83.014 Varicose veins of right lower extremity with ulcer of heel and midfoot
             Varicose veins of right lower extremity with ulcer of plantar surface of midfoot
          I83.015 Varicose veins of right lower extremity with ulcer other part of foot
             Varicose veins of right lower extremity with ulcer of toe
          I83.018 Varicose veins of right lower extremity with ulcer other part of lower leg
          I83.019 Varicose veins of right lower extremity with ulcer of unspecified site
       I83.02 Varicose veins of left lower extremity with ulcer
          I83.021 Varicose veins of left lower extremity with ulcer of thigh
          I83.022 Varicose veins of left lower extremity with ulcer of calf
          I83.023 Varicose veins of left lower extremity with ulcer of ankle
          I83.024 Varicose veins of left lower extremity with ulcer of heel and midfoot
             Varicose veins of left lower extremity with ulcer of plantar surface of midfoot
          I83.025 Varicose veins of left lower extremity with ulcer other part of foot
             Varicose veins of left lower extremity with ulcer of toe
          I83.028 Varicose veins of left lower extremity with ulcer other part of lower leg
          I83.029 Varicose veins of left lower extremity with ulcer of unspecified site
    I83. ​1 Varicose veins of lower extremities with inflammation
       Stasis dermatitis
       I83.10 Varicose veins of unspecified lower extremity with inflammation
       I83.11 Varicose veins of right lower extremity with inflammation
       I83.12 Varicose veins of left lower extremity with inflammation
    I83.2 Varicose veins of lower extremities with both ulcer and inflammation
       Use additional code to identify severity of ulcer (L97.-)
       I83.20 Varicose veins of unspecified lower extremity with both ulcer and inflammation
          I83.201 Varicose veins of unspecified lower extremity with both ulcer of thigh and inflammation
          I83.202 Varicose veins of unspecified lower extremity with both ulcer of calf and inflammation
          I83.203 Varicose veins of unspecified lower extremity with both ulcer of ankle and inflammation
          I83.204 Varicose veins of unspecified lower extremity with both ulcer of heel and midfoot and inflammation
             Varicose veins of unspecified lower extremity with both ulcer of plantar surface of midfoot and inflammation
          I83.205 Varicose veins of unspecified lower extremity with both ulcer other part of foot and inflammation
             Varicose veins of unspecified lower extremity with both ulcer of toe and inflammation
          I83.208 Varicose veins of unspecified lower extremity with both ulcer of other part of lower extremity and inflammation
          I83.209 Varicose veins of unspecified lower extremity with both ulcer of unspecified site and inflammation
       I83.21 Varicose veins of right lower extremity with both ulcer and inflammation
          I83.211 Varicose veins of right lower extremity with both ulcer of thigh and inflammation
          I83.212 Varicose veins of right lower extremity with both ulcer of calf and inflammation
          I83. ​213 Varicose veins of right lower extremity with both ulcer of ankle and inflammation
          I83.214 Varicose veins of right lower extremity with both ulcer of heel and midfoot and inflammation
             Varicose veins of right lower extremity with both ulcer of plantar surface of midfoot and inflammation
          I83.215 Varicose veins of right lower extremity with both ulcer other part of foot and inflammation
             Varicose veins of right lower extremity with both ulcer of toe and inflammation
          I83.218 Varicose veins of right lower extremity with both ulcer of other part of lower extremity and inflammation
          I83.219 Varicose veins of right lower extremity with both ulcer of unspecified site and inflammation
       I83.22 Varicose veins of left lower extremity with both ulcer and inflammation
          I83.221 Varicose veins of left lower extremity with both ulcer of thigh and inflammation
          I83.222 Varicose veins of left lower extremity with both ulcer of calf and inflammation
          I83.223 Varicose veins of left lower extremity with both ulcer of ankle and inflammation
          I83.224 Varicose veins of left lower extremity with both ulcer of heel and midfoot and inflammation
             Varicose veins of left lower extremity with both ulcer of plantar surface of midfoot and inflammation
          I83.225 Varicose veins of left lower extremity with both ulcer other part of foot and inflammation
             Varicose veins of left lower extremity with both ulcer of toe and inflammation
          I83.228 Varicose veins of left lower extremity with both ulcer of other part of lower extremity and inflammation
          I83.229 Varicose veins of left lower extremity with both ulcer of unspecified site and inflammation
    I83.8 Varicose veins of lower extremities with other complications
       I83. ​81 Varicose veins of lower extremities with pain
          I83.811 Varicose veins of right lower extremities with pain
          I83.812 Varicose veins of left lower extremities with pain
          I83.813 Varicose veins of bilateral lower extremities with pain
          I83.819 Varicose veins of unspecified lower extremities with pain
       I83.89 Varicose veins of lower extremities with other complications
          Varicose veins of lower extremities with edema
          Varicose veins of lower extremities with swelling
          I83.891 Varicose veins of right lower extremities with other complications
          I83.892 Varicose veins of left lower extremities with other complications
          I83.893 Varicose veins of bilateral lower extremities with other complications
          I83.899 Varicose veins of unspecified lower extremities with other complications
    I83.9 Asymptomatic varicose veins of lower extremities
       Phlebectasia of lower extremities
       Varicose veins of lower extremities
       Varix of lower extremities
       I83.90 Asymptomatic varicose veins of unspecified lower extremity
          Varicose veins NOS
       I83.91 Asymptomatic varicose veins of right lower extremity
       I83.92 Asymptomatic varicose veins of left lower extremity
       I83.93 Asymptomatic varicose veins of bilateral lower extremities

## I84 HemorrhoidsI84 Hemorrhoids

    Includes: piles
    varicose veins of anus and rectum
    Excludes1: hemorrhoids complicating childbirth and the puerperium (O87.2)
       hemorrhoids complicating pregnancy (O22.4)
    I84.0 Thrombosed hemorrhoids
       I84.00 Unspecified thrombosed hemorrhoids
          Thrombosed hemorrhoids, unspecified whether internal or external
       I84.01 Internal thrombosed hemorrhoids
       I84.02 External thrombosed hemorrhoids
       I84.03 Internal and external thrombosed hemorrhoids
    I84.1 Hemorrhoids with other complications
       I84. ​10 Unspecified hemorrhoids with other complications
          I84.101 Unspecified bleeding hemorrhoids
          I84.102 Unspecified prolapsed hemorrhoids
          I84.103 Unspecified strangulated hemorrhoids
          I84.104 Unspecified ulcerated hemorrhoids
       I84.11 Internal hemorrhoids with other complications
          I84.111 Internal bleeding hemorrhoids
          I84.112 Internal prolapsed hemorrhoids
          I84.113 Internal strangulated hemorrhoids
          I84.114 Internal ulcerated hemorrhoids
       I84.12 External hemorrhoids with other complications
          I84.121 External bleeding hemorrhoids
          I84.122 External prolapsed hemorrhoids
          I84.123 External strangulated hemorrhoids
          I84.124 External ulcerated hemorrhoids
       I84.13 Internal and external hemorrhoids with other complications
          I84.131 Internal and external bleeding hemorrhoids
          I84.132 Internal and external prolapsed hemorrhoids
          I84.133 Internal and external strangulated hemorrhoids
          I84.134 Internal and external ulcerated hemorrhoids
    I84.2 Hemorrhoids without complication
       I84.20 Unspecified hemorrhoids without complication
          Hemorrhoids NOS
       I84.21 Internal hemorrhoids without complication
          Internal hemorrhoids NOS
       I84.22 External hemorrhoids without complication
          External hemorrhoids NOS
       I84.23 Internal and external hemorrhoids without complication
          Internal and external hemorrhoids NOS
    I84.6 Residual hemorrhoidal skin tags
       Skin tags of anus or rectum

## I85 Esophageal varicesI85 Esophageal varices

    Use additional code to identify:
       alcohol abuse and dependence (F10.-)
    I85.0 Esophageal varices
       Idiopathic esophageal varices
       Primary esophageal varices
       I85.00 Esophageal varices without bleeding
          Esophageal varices NOS
       I85. ​01 Esophageal varices with bleeding
    I85.1 Secondary esophageal varices
       Esophageal varices secondary to alcoholic liver disease
       Esophageal varices secondary to cirrhosis of liver
       Esophageal varices secondary to schistosomiasis
       Esophageal varices secondary to toxic liver disease
       Code first underlying disease
       I85.10 Secondary esophageal varices without bleeding
       I85.11 Secondary esophageal varices with bleeding

## I86 Varicose veins of other sitesI86 Varicose veins of other sites

    Excludes1: varicose veins of unspecified site (I83.9-)
    Excludes2: retinal varices (H35.0-)
    I86.0 Sublingual varices
    I86.1 Scrotal varices
       Varicocele
    I86.2 Pelvic varices
    I86.3 Vulval varices
       Excludes1: vulval varices complicating childbirth and the puerperium (O87.8)
          vulval varices complicating pregnancy (O22.1-)
    I86.4 Gastric varices
    I86.8 Varicose veins of other specified sites
       Varicose ulcer of nasal septum

## I87 Other disorders of veinsI87 Other disorders of veins

    I87.0 Postthrombotic syndrome
       Chronic venous hypertension due to deep vein thrombosis
       Postphlebitic syndrome
       Excludes1: chronic venous hypertension without deep vein thrombosis (I87.3-)
       I87.00 Postthrombotic syndrome without complications
          Asymptomatic Postthrombotic syndrome
          I87.001 Postthrombotic syndrome without complications of right lower extremity
          I87.002 Postthrombotic syndrome without complications of left lower extremity
          I87.003 Postthrombotic syndrome without complications of bilateral lower extremity
          I87.009 Postthrombotic syndrome without complications of unspecified extremity
             Postthrombotic syndrome NOS
       I87.01 Postthrombotic syndrome with ulcer
          Use additional code to specify site and severity of ulcer (L97.-)
          I87. ​011 Postthrombotic syndrome with ulcer of right lower extremity
          I87.012 Postthrombotic syndrome with ulcer of left lower extremity
          I87.013 Postthrombotic syndrome with ulcer of bilateral lower extremity
          I87.019 Postthrombotic syndrome with ulcer of unspecified lower extremity
       I87.02 Postthrombotic syndrome with inflammation
          I87.021 Postthrombotic syndrome with inflammation of right lower extremity
          I87.022 Postthrombotic syndrome with inflammation of left lower extremity
          I87.023 Postthrombotic syndrome with inflammation of bilateral lower extremity
          I87.029 Postthrombotic syndrome with inflammation of unspecified lower extremity
       I87.03 Postthrombotic syndrome with ulcer and inflammation
          Use additional code to specify site and severity of ulcer (L97.-)
          I87.031 Postthrombotic syndrome with ulcer and inflammation of right lower extremity
          I87.032 Postthrombotic syndrome with ulcer and inflammation of left lower extremity
          I87.033 Postthrombotic syndrome with ulcer and inflammation of bilateral lower extremity
          I87.039 Postthrombotic syndrome with ulcer and inflammation of unspecified lower extremity
       I87.09 Postthrombotic syndrome with other complications
          I87.091 Postthrombotic syndrome with other complications of right lower extremity
          I87.092 Postthrombotic syndrome with other complications of left lower extremity
          I87.093 Postthrombotic syndrome with other complications of bilateral lower extremity
          I87.099 Postthrombotic syndrome with other complications of unspecified lower extremity
    I87.1 Compression of vein
       Stricture of vein
       Vena cava syndrome (inferior) (superior)
       Excludes2: compression of pulmonary vein (I28.8)
    I87.2 Venous insufficiency (chronic) (peripheral)
    I87. ​3 Chronic venous hypertension (idiopathic)
       Stasis edema
       Excludes1: chronic venous hypertension due to deep vein thrombosis (I87.0-)
          varicose veins of lower extremities (I83.-)
       I87.30 Chronic venous hypertension (idiopathic) without complications
          Asymptomatic chronic venous hypertension (idiopathic)
          I87.301 Chronic venous hypertension (idiopathic) without complications of right lower extremity
          I87.302 Chronic venous hypertension (idiopathic) without complications of left lower extremity
          I87.303 Chronic venous hypertension (idiopathic) without complications of bilateral lower extremity
          I87.309 Chronic venous hypertension (idiopathic) without complications of unspecified lower extremity
             Chronic venous hypertension NOS
       I87.31 Chronic venous hypertension (idiopathic) with ulcer
          Use additional code to specify site and severity of ulcer (L97.-)
          I87.311 Chronic venous hypertension (idiopathic) with ulcer of right lower extremity
          I87.312 Chronic venous hypertension (idiopathic) with ulcer of left lower extremity
          I87.313 Chronic venous hypertension (idiopathic) with ulcer of bilateral lower extremity
          I87.319 Chronic venous hypertension (idiopathic) with ulcer of unspecified lower extremity
       I87.32 Chronic venous hypertension (idiopathic) with inflammation
          I87.321 Chronic venous hypertension (idiopathic) with inflammation of right lower extremity
          I87.322 Chronic venous hypertension (idiopathic) with inflammation of left lower extremity
          I87.323 Chronic venous hypertension (idiopathic) with inflammation of bilateral lower extremity
          I87.329 Chronic venous hypertension (idiopathic) with inflammation of unspecified lower extremity
       I87. ​33 Chronic venous hypertension (idiopathic) with ulcer and inflammation
          Use additional code to specify site and severity of ulcer (L97.-)
          I87.331 Chronic venous hypertension (idiopathic) with ulcer and inflammation of right lower extremity
          I87.332 Chronic venous hypertension (idiopathic) with ulcer and inflammation of left lower extremity
          I87.333 Chronic venous hypertension (idiopathic) with ulcer and inflammation of bilateral lower extremity
          I87.339 Chronic venous hypertension (idiopathic) with ulcer and inflammation of unspecified lower extremity
       I87.39 Chronic venous hypertension (idiopathic) with other complications
          I87.391 Chronic venous hypertension (idiopathic) with other complications of right lower extremity
          I87.392 Chronic venous hypertension (idiopathic) with other complications of left lower extremity
          I87.393 Chronic venous hypertension (idiopathic) with other complications of bilateral lower extremity
          I87.399 Chronic venous hypertension (idiopathic) with other complications of unspecified lower extremity
    I87.8 Other specified disorders of veins
       Phlebosclerosis
       Venofibrosis
    I87.9 Disorder of vein, unspecified

## I88 Nonspecific lymphadenitisI88 Nonspecific lymphadenitis

    Excludes1: acute lymphadenitis, except mesenteric (L04.-)
       enlarged lymph nodes NOS (R59.-)
       human immunodeficiency virus [HIV] disease resulting in generalized lymphadenopathy (B20)
    I88.0 Nonspecific mesenteric lymphadenitis
       Mesenteric lymphadenitis (acute)(chronic)
    I88.1 Chronic lymphadenitis, except mesenteric
       Adenitis
       Lymphadenitis
    I88.8 Other nonspecific lymphadenitis
    I88.9 Nonspecific lymphadenitis, unspecified
       Lymphadenitis ​NOS

## I89 Other noninfective disorders of lymphatic vessels and lymph nodesI89 Other noninfective disorders of lymphatic vessels and lymph nodes

    Excludes1: chylocele, tunica vaginalis (nonfilarial) NOS (N50.8)
       enlarged lymph nodes NOS (R59.-)
       filarial chylocele (B74.-)
       hereditary lymphedema (Q82.0)
    I89.0 Lymphedema, not elsewhere classified
       Elephantiasis (nonfilarial) NOS
       Lymphangiectasis
       Obliteration, lymphatic vessel
       Praecox lymphedema
       Secondary lymphedema
       Excludes1: postmastectomy lymphedema (I97.2)
    I89.1 Lymphangitis
       Chronic lymphangitis
       Lymphangitis NOS
       Subacute lymphangitis
       Excludes1: acute lymphangitis (L03.-)
    I89.8 Other specified noninfective disorders of lymphatic vessels and lymph nodes
       Chylocele (nonfilarial)
       Chylous ascites
       Chylous cyst
       Lipomelanotic reticulosis
       Lymph node or vessel fistula
       Lymph node or vessel infarction
       Lymph node or vessel rupture
    I89.9 Noninfective disorder of lymphatic vessels and lymph nodes, unspecified
       Disease of lymphatic vessels NOS

# Other and unspecified disorders of the circulatory system (I95-I99)Other and unspecified disorders of the circulatory system (I95-I99)
## I95 HypotensionI95 Hypotension

    Excludes1: cardiovascular collapse (R57.9)
       maternal hypotension syndrome (O26.5-)
       nonspecific low blood pressure reading NOS (R03.1)
    I95.0 Idiopathic hypotension
    I95.1 Orthostatic hypotension
       Hypotension, postural
       Excludes1: neurogenic orthostatic hypotension [Shy-Drager] (G90.3)
          orthostatic hypotension due to drugs (I95.2)
    I95. ​2 Hypotension due to drugs
       Orthostatic hypotension due to drugs
       Code first (T36-T50) to identify drug
    I95.3 Hypotension of hemodialysis
       Intra-dialytic hypotension
    I95.8 Other hypotension
       I95.81 Postprocedural hypotension
       I95.89 Other hypotension
          Chronic hypotension
    I95.9 Hypotension, unspecified

## I96 Gangrene, not elsewhere classifiedI96 Gangrene, not elsewhere classified

    Includes: gangrenous cellulitis
    Excludes1: gangrene in:
       atherosclerosis of native arteries of the extremities (I70.24)
       diabetes mellitus (E08-E13)
       hernia (K40.1, K40.4, K41.1, K41.4, K42.1, K43.1-, K44.1, K45.1, K46.1)
       other peripheral vascular diseases (I73.-)
       gangrene of certain specified sites - see Alphabetical Index
       gas gangrene (A48.0)
       pyoderma gangrenosum (L88)

## I97 Intraoperative and postprocedural complications and disorders of circulatory system, not elsewhere classifiedI97 Intraoperative and postprocedural complications and disorders of circulatory system, not elsewhere classified

    Excludes2: postprocedural shock (T81.1)
    I97.0 Postcardiotomy syndrome
    I97.1 Other postprocedural cardiac functional disturbances
       Excludes2: acute pulmonary insufficiency following thoracic surgery (J95.1)
          intraoperative cardiac functional disturbances (I97.7-)
       I97.11 Postprocedural cardiac insufficiency
          I97.110 Postprocedural cardiac insufficiency following cardiac surgery
          I97.111 Postprocedural cardiac insufficiency following other surgery
       I97.12 Postprocedural cardiac arrest
          I97.120 Postprocedural cardiac arrest following cardiac surgery
          I97.121 Postprocedural cardiac arrest following other surgery
       I97.13 Postprocedural heart failure
          Use additional code to identify the heart failure (I50.-)
          I97.130 Postprocedural heart failure following cardiac surgery
          I97.131 Postprocedural heart failure following other surgery
       I97. ​19 Other postprocedural cardiac functional disturbances
          Use additional code, if applicable, to further specify disorder
          I97.190 Other postprocedural cardiac functional disturbances following cardiac surgery
          I97.191 Other postprocedural cardiac functional disturbances following other surgery
    I97.2 Postmastectomy lymphedema syndrome
       Elephantiasis due to mastectomy
       Obliteration of lymphatic vessels
    I97.3 Postprocedural hypertension
    I97.4 Intraoperative hemorrhage and hematoma of a circulatory system organ or structure complicating a procedure
       Excludes1: intraoperative hemorrhage and hematoma of a circulatory system organ or structure due to accidental puncture and laceration during a procedure (I97.5-)
       Excludes2: intraoperative cerebrovascular hemorrhage complicating a procedure (G97.3-)
       I97.41 Intraoperative hemorrhage and hematoma of a circulatory system organ or structure complicating a circulatory system procedure
          I97.410 Intraoperative hemorrhage and hematoma of a circulatory system organ or structure complicating a cardiac catheterization
          I97.411 Intraoperative hemorrhage and hematoma of a circulatory system organ or structure complicating a cardiac bypass
          I97.418 Intraoperative hemorrhage and hematoma of a circulatory system organ or structure complicating other circulatory system procedure
          I97.42 Intraoperative hemorrhage and hematoma of a circulatory system organ or structure complicating other procedure
    I97.5 Accidental puncture and laceration of a circulatory system organ or structure during a procedure
       Excludes2: accidental puncture and laceration of brain during a procedure (G97.4-)
       I97.51 Accidental puncture and laceration of a circulatory system organ or structure during a circulatory system procedure
       I97.52 Accidental puncture and laceration of a circulatory system organ or structure during other procedure
    I97.6 Postprocedural hemorrhage and hematoma of a circulatory system organ or structure following a procedure
       Excludes2: ​postprocedural cerebrovascular hemorrhage complicating a procedure (G97.5-)
       I97.61 Postprocedural hemorrhage and hematoma of a circulatory system organ or structure following a circulatory system procedure
          I97.610 Postprocedural hemorrhage and hematoma of a circulatory system organ or structure following a cardiac catheterization
          I97.611 Postprocedural hemorrhage and hematoma of a circulatory system organ or structure following cardiac bypass
          I97.618 Postprocedural hemorrhage and hematoma of a circulatory system organ or structure following other circulatory system procedure
       I97.62 Postprocedural hemorrhage and hematoma of a circulatory system organ or structure following a other procedure
    I97.7 Intraoperative cardiac functional disturbances
       Excludes2: acute pulmonary insufficiency following thoracic surgery (J95.1)
          postprocedural cardiac functional disturbances (I97.1-)
       I97.71 Intraoperative cardiac arrest
          I97.710 Intraoperative cardiac arrest during cardiac surgery
          I97.711 Intraoperative cardiac arrest during other surgery
       I97.79 Other intraoperative cardiac functional disturbances
          Use additional code, if applicable, to further specify disorder
          I97.790 Other intraoperative cardiac functional disturbances during cardiac surgery
          I97.791 Other intraoperative cardiac functional disturbances during other surgery
    I97.8 Other intraoperative and postprocedural complications and disorders of the circulatory system, not elsewhere classified
       Use additional code, if applicable, to further specify disorder
       I97.81 Intraoperative cerebrovascular infarction
          I97.810 Intraoperative cerebrovascular infarction during cardiac surgery
          I97.811 Intraoperative cerebrovascular infarction during other surgery
       I97.82 Postprocedural cerebrovascular infarction
          I97.820 Postprocedural cerebrovascular infarction during cardiac surgery
          I97. ​821 Postprocedural cerebrovascular infarction during other surgery
       I97.88 Other intraoperative complications of the circulatory system, not elsewhere classified
       I97.89 Other postprocedural complications and disorders of the circulatory system, not elsewhere classified

## I99 Other and unspecified disorders of circulatory systemI99 Other and unspecified disorders of circulatory system

    I99.8 Other disorder of circulatory system
    I99.9 Unspecified disorder of circulatory system