# List of ICD-9 codes 780–799: symptoms, signs, and ill-defined conditions

ICD-9 chapters :
| Chapter | Block | Title |
| I | 001–139 | Infectious and Parasitic Diseases |
| II | 140–239 | Neoplasms |
| III | 240–279 | Endocrine, Nutritional and Metabolic Diseases, and Immunity Disorders |
| IV | 280–289 | Diseases of the Blood and Blood-forming Organs |
| V | 290–319 | Mental Disorders |
| VI | 320–389 | Diseases of the Nervous System and Sense Organs |
| VII | 390–459 | Diseases of the Circulatory System |
| VIII | 460–519 | Diseases of the Respiratory System |
| IX | 520–579 | Diseases of the Digestive System |
| X | 580–629 | Diseases of the Genitourinary System |
| XI | 630–679 | Complications of Pregnancy, Childbirth, and the Puerperium |
| XII | 680–709 | Diseases of the Skin and Subcutaneous Tissue |
| XIII | 710–739 | Diseases of the Musculoskeletal System and Connective Tissue |
| XIV | 740–759 | Congenital Anomalies |
| XV | 760–779 | Certain Conditions originating in the Perinatal Period |
| XVI | 780–799 | Symptoms, Signs and Ill-defined Conditions |
| XVII | 800–999 | Injury and Poisoning |
| | E800–E999 | Supplementary Classification of External Causes of Injury and Poisoning |
| | V01–V82 | Supplementary Classification of Factors influencing Health Status and Contact with Health Services |
| | M8000–M9970 | Morphology of Neoplasms |
This is a shortened version of the sixteenth chapter of the ICD-9: Symptoms, Signs and Ill-defined Conditions. It covers ICD codes 780 to 799. The full chapter can be found on pages 455 to 471 of Volume 1, which contains all (sub)categories of the ICD-9. Volume 2 is an alphabetical index of Volume 1. Both volumes can be downloaded for free from the website of the World Health Organization.

## Symptoms (780–789)

* 780 General symptoms
** 780.0 Alteration of consciousness
*** 780.01 Coma
*** 780.02 Transient alteration of awareness
*** 780.03 Persistent vegetative state
*** 780.09 Semicoma, stupor
** 780.1 Hallucinations
** 780.2 Syncope
** 780.3 Convulsions
*** 780.31 Febrile convulsions
*** 780.32 Complex febrile convulsions
*** 780.39 Other convulsions
** 780.4 Dizziness/vertigo, NOS
** 780.5 Sleep disturbance, unspec.
*** 780.50 Unspecified sleep disturbance
*** 780.51 Insomnia with sleep apnea, unspecified
*** 780.52 Insomnia, unspecified
*** 780.53 Hypersomnia with sleep apnea, unspecified
*** 780.54 Hypersomnia, unspecified
*** 780.55 Disruptions of 24-hour sleep-wake cycle, unspecified
*** 780.56 Dysfunctions associated with sleep stages or arousal from sleep
*** 780.57 Unspecified sleep apnea
*** 780.58 Sleep related movement disorder, unspecified
*** 780.59 Other sleep disturbances
** 780.6 Fever, nonperinatal
** 780.7 Malaise and fatigue
*** 780.71 Chronic fatigue syndrome
*** 780.72 Functional quadriplegia
*** 780.79 Other malaise and fatigue
** 780.8 Sweating, excessive
** 780.9 Other general symptoms
*** 780.91 Fussy infant
*** 780.92 Crying, infant, excessive
*** 780.93 Memory loss
*** 780.94 Early satiety
*** 780.95 Other excessive crying
*** 780.96 Generalized pain
*** 780.97 Altered mental status
*** 780.99 Other general symptoms
* 781 Symptoms involving nervous and musculoskeletal systems
** 781.0 Abnormal involuntary movements
** 781.1 Disturbances, smell and taste
** 781.2 Gait abnormality
** 781.3 Lack of coordination
*** Dysdiadochokinesia
*** Ataxia NOS
*** Hypotonia
** 781.5 Clubbing of fingers
** 781.8 Neurologic neglect syndrome
** 781.9 Other symptoms involving nervous and musculoskeletal systems
*** 781.91 Loss of height
*** 781.92 Abnormal posture
*** 781.94 Facial weakness
* 782 Symptoms involving skin and other integumentary tissue
** 782.0 Sensory disturbance skin
** 782.1 Rash, nonvesicular, unspec.
** 782.2 Localized swelling/mass, superficial
** 782.3 Edema, localized, NOS
** 782.4 Jaundice
** 782.5 Cyanosis
** 782.7 Petechiae
** 782.8 Change in skin texture
** 782.9 Other symptoms involving skin
* 783 Symptoms concerning nutrition, metabolism and development
** 783.0 Anorexia
*** Loss of appetite
** 783.1 Abnormal weight gain
** 783.2 Abnormal loss of weight
** 783.3 Feeding difficulties and mismanagement
** 783.4 Lack of expected normal physiological development
** 783.5 Polydipsia
** 783.6 Polyphagia
** 783.9 Other
* 784 Symptoms involving head and neck
** 784.0 Headache
** 784.1 Throat pain
** 784.2 Swelling mass or lump in head and neck
** 784.3 Aphasia
** 784.4 Voice disturbance
*** 784.41 Aphonia
*** 784.49 Hoarseness
** 784.5 Dysarthria
** 784.6 Other symbolic dysfunction
*** 784.60 Symbolic dysfunction, unspecified
*** 784.61 Alexia and dyslexia
** 784.7 Epistaxis
** 784.8 Hemorrhage from throat
** 784.9 Other symptoms involving head and neck
*** 784.91 Postnasal drip
* 785 Symptoms involving cardiovascular system
** 785.0 Tachycardia
** 785.1 Palpitations
** 785.2 Murmur of heart, undiagnosed
** 785.3 Other abnormal heart sounds
** 785.4 Gangrene
** 785.5 Shock, unspec.
*** 785.50 Shock unspecified
*** 785.51 Cardiogenic shock
*** 785.52 Septic shock
** 785.6 Enlarged lymph nodes
** 785.9 Bruit
* 786 Symptoms involving respiratory system and other chest symptoms
** 786.0 Dyspnea and respiratory abnormalities
*** 786.03 Apnea
*** 786.04 Cheyne-Stokes respiration
*** 786.05 Shortness of breath
*** 786.06 Tachypnea
*** 786.07 Wheezing
*** 786.09 Other respiratory abnormalities
**** Bradypnea
** 786.1 Stridor
** 786.2 Cough
** 786.3 Hemoptysis
** 786.4 Abnormal sputum
** 786.5 Chest pain, unspec.
*** 786.51 Precordial pain
*** 786.52 Pleuritic pain
** 786.6 swelling, mass, or lump in chest
** 786.7 Abnormal chest sounds
*** Rales
** 786.8 Hiccoughs
* 787 Symptoms involving digestive system
** 787.0 Nausea and vomiting
*** 787.01 Nausea w/vomiting
*** 787.02 Nausea, alone
*** 787.03 Vomiting, alone
** 787.1 Heartburn
** 787.2 Dysphagia
** 787.3 Gas/bloating
** 787.4 Visible peristalsis
** 787.5 Abnormal bowel sounds
** 787.6 Encopresis, NOS, fecal incontinence
** 787.9 Other symptoms involving digestive system
*** 787.91 Diarrhea, NOS
* 788 Symptoms involving urinary system
** 788.0 Renal colic
** 788.1 Dysuria
** 788.2 Retention of urine
** 788.3 Urinary incontinence
*** 788.30 Urinary incontinence unspecified
*** 788.31 Urge incontinence
*** 788.32 Stress incontinence
*** 788.33 Mixed incontinence
*** 788.34 Incontinence without sensory awareness
*** 788.35 Post-void dribbling
*** 788.36 Nocturnal enuresis
*** 788.37 Continuous leakage
*** 788.38 Overflow incontinence
*** 788.39 Other urinary incontinence
** 788.4 Frequency of urination and polyuria
*** 788.41 Urinary frequency
*** 788.42 Polyuria
*** 788.43 Nocturia
** 788.5 Oliguria and anuria
** 788.6 Other abnormality of urination
*** 788.63 Urgency of urination
* 789 Other symptoms involving abdomen and pelvis
** 789.0 Abdominal pain
** 789.1 Hepatomegaly
** 789.2 Splenomegaly
** 789.3 Abdominal/pelvic mass, unspec.
** 789.4 Abdominal rigidity
** 789.5 Ascites
** 789.6 Abdominal tenderness

## Nonspecific abnormal findings (790–796)

* 790 Nonspecific findings on examination of blood
* 790.0 Abnormal red blood cell
** 790.1 Elevated sedimentation rate
** 790.2 Abnormal glucose
*** 790.21 Impaired fasting glucose
*** 790.22 Impaired glucose tolerance test (oral)
*** 790.29 Other abnormal glucose
** 790.3 Excessive blood level of alcohol
** 790.4 Abnormal transaminase/LDH
** 790.5 Other nonspecific abnormal serum enzyme levels
** 790.6 Abnormal blood chemistry, other
*** Iron overload disorder
** 790.7 Bacteremia (not septicemia)
** 790.8 Viremia, unspecified
** 790.9 Other nonspecific findings on examination of blood
*** 790.91 Abnormal arterial blood gases
*** 790.92 Abnormal coagulation profile
*** 790.93 Abnormal prostate specific antigen
*** 790.99 Other
**** Reticulocytosis
* 791 Nonspecific findings on examination of urine
** 791.0 Proteinuria
*** Albuminuria
** 791.2 Hemoglobinuria
** 791.5 Glycosuria
* 792 Nonspecific abnormal findings in other body substances
** 792.1 Blood in stool, occult
* 793 Nonspecific abnormal findings on radiological and other examination
** 793.1 Abnormal X-ray, lung TERM: 9/30/11
** 793.8 Mammogram, abnormal, unspec.
* 794 Nonspecific abnormal results of function studies
** 794.1 Peripheral nervous system and special senses
*** 794.15 Abnormal auditory function study
** 794.3 Cardiovascular
*** 794.31 Abnormal electrocardiogram
* 795 Nonspecific abnormal histological and immunological findings
** 795.0 Nonspecific abnormal Papanicolaou smear of cervix
** 795.5 Positive PPD TERM: 9/30/11
* 796 Other nonspecific abnormal findings
** 796.2 Elevated BP w/o hypertension

## Ill-defined and unknown causes of morbidity and mortality (797–799)

* 797 Senility without mention of psychosis
* 798 Sudden death, cause unknown
* 798 Sudden infant death syndrome
* 799 Other ill-defined and unknown causes of morbidity and mortality
** 799.0 Asphyxia
** 799.1 Respiratory arrest
** 799.2 Nervousness
** 799.3 Debility
** 799.4 Cachexia
** 799.8 Other ill-defined conditions
*** 799.81 Decreased libido
*** 799.89 Other ill-defined conditions