# Diseases of the skin and subcutaneous tissue (L00-L99)Diseases of the skin and subcutaneous tissue (L00-L99)

    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)
       lipomelanotic reticulosis (I89.8)
       neoplasms (C00-D48)
       symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
       systemic connective tissue disorders (M30-M36)
       viral warts (B07.-)
    This chapter contains the following blocks:
    L00-L08 Infections of the skin and subcutaneous tissue
    L10-L14 Bullous disorders
    L20-L30 Dermatitis and eczema
    L40-L45 Papulosquamous disorders
    L49-L54 Urticaria and erythema
    L55-L59 Radiation-related disorders of the skin and subcutaneous tissue
    L60-L75 Disorders of skin appendages
    L76 Intraoperative and postprocedural complications of skin and subcutaneous tissue
    L80-L99 Other disorders of the skin and subcutaneous tissue

# Infections of the skin and subcutaneous tissue (L00-L08)Infections of the skin and subcutaneous tissue (L00-L08)

    Use additional code (B95-B97) to identify infectious agent.
    Excludes2: hordeolum (H00.0)
       infective dermatitis (L30.3)
       local infections of skin classified in Chapter 1
       lupus panniculitis (L93.2)
       panniculitis NOS (M79.3)
       panniculitis of neck and back (M54.0-)
       perl?che NOS (K13.0)
       perl?che due to candidiasis (B37.0)
       perl?che due to riboflavin deficiency (E53.0)
       pyogenic granuloma (L98.0)
       relapsing panniculitis [Weber-Christian] (M35.6)
       viral warts (B07.-)
       zoster (B02.-)

## L00 Staphylococcal scalded skin syndromeL00 Staphylococcal scalded skin syndrome

    Ritter's disease
    Use additional code to identify percentage of skin exfoliation (L49-)
    Excludes1: bullous impetigo (L01.03)
       pemphigus neonatorum (L01.03)
       toxic epidermal necrolysis [Lyell] (L51.2)

## L01 ImpetigoL01 Impetigo

    Excludes1: impetigo herpetiformis (L40.1)
    L01.0 Impetigo
       Impetigo contagiosa
       Impetigo vulgaris
       L01.00 Impetigo, unspecified
          Impetigo NOS
       L01.01 Non-bullous impetigo
       L01.02 Bockhart's impetigo
          Impetigo follicularis
          Perifolliculitis NOS
          Superficial pustular perifolliculitis
       L01. ​03 Bullous impetigo
          Impetigo neonatorum
          Pemphigus neonatorum
       L01.09 Other impetigo
          Ulcerative impetigo
    L01.1 Impetiginization of other dermatoses

## L02 Cutaneous abscess, furuncle and carbuncleL02 Cutaneous abscess, furuncle and carbuncle

    Use additional code to identify organism (B95-B96)
    Excludes2: abscess of anus and rectal regions (K61.-)
       abscess of female genital organs (external) (N76.4)
       abscess of male genital organs (external) (N48.2, N49.-)
    L02.0 Cutaneous abscess, furuncle and carbuncle of face
       Excludes1: abscess of ear, external (H60.0)
          abscess of eyelid (H00.0)
          abscess of head [any part, except face] (L02.8)
          abscess of lacrimal gland (H04.0)
          abscess of lacrimal passages (H04.3)
          abscess of mouth (K12.2)
          abscess of nose (J34.0)
          abscess of orbit (H05.0)
          submandibular abscess (K12.2)
       L02.01 Cutaneous abscess of face
       L02.02 Furuncle of face
          Boil of face
          Folliculitis of face
       L02.03 Carbuncle of face
    L02.1 Cutaneous abscess, furuncle and carbuncle of neck
       L02.11 Cutaneous abscess of neck
       L02.12 Furuncle of neck
          Boil of neck
          Folliculitis of neck
       L02.13 Carbuncle of neck
    L02.2 Cutaneous abscess, furuncle and carbuncle of trunk
       Excludes1: non-newborn omphalitis (L08.82)
          omphalitis of newborn (P38.-)
       Excludes2: abscess of breast (N61)
          abscess of buttocks (L02.3)
          abscess of female external genital organs (N76.4)
          abscess of male external genital organs (N48.2, N49.-)
          abscess of hip (L02.4)
       L02.21 Cutaneous abscess of trunk
          L02.211 Cutaneous abscess of abdominal wall
          L02.212 Cutaneous abscess of back [any part, except buttock]
          L02.213 Cutaneous abscess of chest wall
          L02.214 Cutaneous abscess of groin
          L02. ​215 Cutaneous abscess of perineum
          L02.216 Cutaneous abscess of umbilicus
          L02.219 Cutaneous abscess of trunk, unspecified
       L02.22 Furuncle of trunk
          Boil of trunk
          Folliculitis of trunk
          L02.221 Furuncle of abdominal wall
          L02.222 Furuncle of back [any part, except buttock]
          L02.223 Furuncle of chest wall
          L02.224 Furuncle of groin
          L02.225 Furuncle of perineum
          L02.226 Furuncle of umbilicus
          L02.229 Furuncle of trunk, unspecified
       L02.23 Carbuncle of trunk
          L02.231 Carbuncle of abdominal wall
          L02.232 Carbuncle of back [any part, except buttock]
          L02.233 Carbuncle of chest wall
          L02.234 Carbuncle of groin
          L02.235 Carbuncle of perineum
          L02.236 Carbuncle of umbilicus
          L02.239 Carbuncle of trunk, unspecified
    L02.3 Cutaneous abscess, furuncle and carbuncle of buttock
       Excludes1: pilonidal cyst with abscess (L05.01)
       L02.31 Cutaneous abscess of buttock
          Cutaneous abscess of gluteal region
       L02.32 Furuncle of buttock
          Boil of buttock
          Folliculitis of buttock
          Furuncle of gluteal region
       L02.33 Carbuncle of buttock
          Carbuncle of gluteal region
    L02.4 Cutaneous abscess, furuncle and carbuncle of limb
       Excludes2: Cutaneous abscess, furuncle and carbuncle of groin (L02.214, L02.224, L02.234)
          Cutaneous abscess, furuncle and carbuncle of hand (L02.5-)
          Cutaneous abscess, furuncle and carbuncle of foot (L02.6-)
       L02.41 Cutaneous abscess of limb
          L02.411 Cutaneous abscess of right axilla
          L02.412 Cutaneous abscess of left axilla
          L02.413 Cutaneous abscess of right upper limb
          L02.414 Cutaneous abscess of left upper limb
          L02.415 Cutaneous abscess of right lower limb
          L02.416 Cutaneous abscess of left lower limb
          L02.419 Cutaneous abscess of limb, unspecified
       L02.42 Furuncle of limb
          Boil ​of limb
          Folliculitis of limb
          L02.421 Furuncle of right axilla
          L02.422 Furuncle of left axilla
          L02.423 Furuncle of right upper limb
          L02.424 Furuncle of left upper limb
          L02.425 Furuncle of right lower limb
          L02.426 Furuncle of left lower limb
          L02.429 Furuncle of limb, unspecified
       L02.43 Carbuncle of limb
          L02.431 Carbuncle of right axilla
          L02.432 Carbuncle of left axilla
          L02.433 Carbuncle of right upper limb
          L02.434 Carbuncle of left upper limb
          L02.435 Carbuncle of right lower limb
          L02.436 Carbuncle of left lower limb
          L02.439 Carbuncle of limb, unspecified
    L02.5 Cutaneous abscess, furuncle and carbuncle of hand
       L02.51 Cutaneous abscess of hand
          L02.511 Cutaneous abscess of right hand
          L02.512 Cutaneous abscess of left hand
          L02.519 Cutaneous abscess of unspecified hand
       L02.52 Furuncle hand
          Boil of hand
          Folliculitis of hand
          L02.521 Furuncle right hand
          L02.522 Furuncle left hand
          L02.529 Furuncle unspecified hand
       L02.53 Carbuncle of hand
          L02.531 Carbuncle of right hand
          L02.532 Carbuncle of left hand
          L02.539 Carbuncle of unspecified hand
    L02.6 Cutaneous abscess, furuncle and carbuncle of foot
       L02.61 Cutaneous abscess of foot
          L02.611 Cutaneous abscess of right foot
          L02.612 Cutaneous abscess of left foot
          L02.619 Cutaneous abscess of unspecified foot
       L02.62 Furuncle of foot
          Boil of foot
          Folliculitis of foot
          L02.621 Furuncle of right foot
          L02.622 Furuncle of left foot
          L02.629 Furuncle of unspecified foot
       L02.63 Carbuncle of foot
          L02.631 Carbuncle of right foot
          L02.632 Carbuncle of left foot
          L02. ​639 Carbuncle of unspecified foot
    L02.8 Cutaneous abscess, furuncle and carbuncle of other sites
       L02.81 Cutaneous abscess of other sites
          L02.811 Cutaneous abscess of head [any part, except face]
          L02.818 Cutaneous abscess of other sites
       L02.82 Furuncle of other sites
          Boil of other sites
          Folliculitis of other sites
          L02.821 Furuncle of head [any part, except face]
          L02.828 Furuncle of other sites
       L02.83 Carbuncle of other sites
          L02.831 Carbuncle of head [any part, except face]
          L02.838 Carbuncle of other sites
    L02.9 Cutaneous abscess, furuncle and carbuncle, unspecified
       L02.91 Cutaneous abscess, unspecified
       L02.92 Furuncle, unspecified
          Boil NOS
          Furunculosis NOS
       L02.93 Carbuncle, unspecified

## L03 Cellulitis and acute lymphangitisL03 Cellulitis and acute lymphangitis

    Excludes2: cellulitis of anal and rectal region (K61.-)
       cellulitis of external auditory canal (H60.1)
       cellulitis of eyelid (H00.0)
       cellulitis of female external genital organs (N76.4)
       cellulitis of lacrimal apparatus (H04.3)
       cellulitis of male external genital organs (N48.2, N49.-)
       cellulitis of mouth (K12.2)
       cellulitis of nose (J34.0)
       eosinophilic cellulitis [Wells] (L98.3)
       febrile neutrophilic dermatosis [Sweet] (L98.2)
       lymphangitis (chronic) (subacute) (I89.1)
    L03.0 Cellulitis and acute lymphangitis of finger and toe
       Infection of nail
       Onychia
       Paronychia
       Perionychia
       L03.01 Cellulitis of finger
          Felon
          Whitlow
          Excludes1: herpetic whitlow (B00.89)
          L03.011 Cellulitis of right finger
          L03.012 Cellulitis of left finger
          L03.019 Cellulitis of unspecified finger
       L03.02 Acute lymphangitis of finger
          Hangnail with lymphangitis of finger
          L03. ​021 Acute lymphangitis of right finger
          L03.022 Acute lymphangitis of left finger
          L03.029 Acute lymphangitis of unspecified finger
       L03.03 Cellulitis of toe
          L03.031 Cellulitis of right toe
          L03.032 Cellulitis of left toe
          L03.039 Cellulitis of unspecified toe
       L03.04 Acute lymphangitis of toe
          Hangnail with lymphangitis of toe
          L03.041 Acute lymphangitis of right toe
          L03.042 Acute lymphangitis of left toe
          L03.049 Acute lymphangitis of unspecified toe
    L03.1 Cellulitis and acute lymphangitis of other parts of limb
       L03.11 Cellulitis of other parts of limb
          Excludes2: cellulitis of fingers (L03.01-)
             cellulitis of toes (L03.03-)
             groin (L03.314)
          L03.111 Cellulitis of right axilla
          L03.112 Cellulitis of left axilla
          L03.113 Cellulitis of right upper limb
          L03.114 Cellulitis of left upper limb
          L03.115 Cellulitis of right lower limb
          L03.116 Cellulitis of left lower limb
          L03.119 Cellulitis of unspecified part of limb
       L03.12 Acute lymphangitis of other parts of limb
          Excludes2: acute lymphangitis of fingers (L03.2-)
             acute lymphangitis of toes (L03.4-)
             acute lymphangitis of groin (L03.324)
          L03.121 Acute lymphangitis of right axilla
          L03.122 Acute lymphangitis of left axilla
          L03.123 Acute lymphangitis of right upper limb
          L03.124 Acute lymphangitis of left upper limb
          L03.125 Acute lymphangitis of right lower limb
          L03.126 Acute lymphangitis of left lower limb
          L03.129 Acute lymphangitis of unspecified part of limb
    L03.2 Cellulitis and acute lymphangitis of face and neck
       L03.21 Cellulitis and acute lymphangitis of face
          L03.211 Cellulitis of face
             Excludes2: cellulitis of ear (H60.1-)
                cellulitis of eyelid (H00.0-)
                cellulitis of head (L03.81)
                cellulitis of lacrimal apparatus (H04.3)
                cellulitis of lip (K13.0)
                cellulitis of mouth (K12.2)
                cellulitis of nose (internal) (J34.0)
                cellulitis ​of orbit (H05.0)
                cellulitis of scalp (L03.81)
          L03.212 Acute lymphangitis of face
       L03.22 Cellulitis and acute lymphangitis of neck
          L03.221 Cellulitis of neck
          L03.222 Acute lymphangitis of neck
    L03.3 Cellulitis and acute lymphangitis of trunk
       L03.31 Cellulitis of trunk
          Excludes2: cellulitis of anal and rectal regions (K61.-)
             cellulitis of breast NOS (N61)
             cellulitis of female external genital organs (N76.4)
             cellulitis of male external genital organs (N48.2, N49.-)
             omphalitis of newborn (P38.-)
             puerperal cellulitis of breast (O91.2)
          L03.311 Cellulitis of abdominal wall
             Excludes2: cellulitis of umbilicus (L03.316)
             cellulitis of groin (L03.314)
          L03.312 Cellulitis of back [any part except buttock]
          L03.313 Cellulitis of chest wall
          L03.314 Cellulitis of groin
          L03.315 Cellulitis of perineum
          L03.316 Cellulitis of umbilicus
          L03.317 Cellulitis of buttock
          L03.319 Cellulitis of trunk, unspecified
       L03.32 Acute lymphangitis of trunk
          L03.321 Acute lymphangitis of abdominal wall
          L03.322 Acute lymphangitis of back [any part except buttock]
          L03.323 Acute lymphangitis of chest wall
          L03.324 Acute lymphangitis of groin
          L03.325 Acute lymphangitis of perineum
          L03.326 Acute lymphangitis of umbilicus
          L03.327 Acute lymphangitis of buttock
          L03.329 Acute lymphangitis of trunk, unspecified
    L03.8 Cellulitis and acute lymphangitis of other sites
       L03.81 Cellulitis of other sites
          L03.811 Cellulitis of head [any part, except face]
             Cellulitis of scalp
             Excludes2: cellulitis of face (L03.211)
          L03.818 Cellulitis of other sites
       L03.89 Acute lymphangitis of other sites
          L03.891 Acute lymphangitis of head [any part, except face]
          L03.898 Acute lymphangitis of other sites
    L03.9 Cellulitis and acute lymphangitis, unspecified
       L03. ​90 Cellulitis, unspecified
       L03.91 Acute lymphangitis, unspecified
          Excludes1: lymphangitis NOS (I89.1)

## L04 Acute lymphadenitisL04 Acute lymphadenitis

    Includes: abscess (acute) of lymph nodes, except mesenteric
       acute lymphadenitis, except mesenteric
    Excludes1: chronic or subacute lymphadenitis, except mesenteric (I88.1)
       enlarged lymph nodes (R59.-)
       human immunodeficiency virus [HIV] disease resulting in generalized lymphadenopathy (B20)
       lymphadenitis NOS (I88.9)
       nonspecific mesenteric lymphadenitis (I88.0)
    L04.0 Acute lymphadenitis of face, head and neck
    L04.1 Acute lymphadenitis of trunk
    L04.2 Acute lymphadenitis of upper limb
       Acute lymphadenitis of axilla
       Acute lymphadenitis of shoulder
    L04.3 Acute lymphadenitis of lower limb
       Acute lymphadenitis of hip
       Excludes2: acute lymphadenitis of groin (L04.1)
    L04.8 Acute lymphadenitis of other sites
    L04.9 Acute lymphadenitis, unspecified

## L05 Pilonidal cyst and sinusL05 Pilonidal cyst and sinus

    L05.0 Pilonidal cyst and sinus with abscess
       L05.01 Pilonidal cyst with abscess
          Parasacral dimple with abscess
          Pilonidal abscess
          Pilonidal dimple with abscess
          Postanal dimple with abscess
       L05.02 Pilonidal sinus with abscess
          Coccygeal fistula with abscess
          Coccygeal sinus with abscess
          Pilonidal fistula with abscess
    L05.9 Pilonidal cyst and sinus without abscess
       L05.91 Pilonidal cyst without abscess
          Parasacral dimple
          Pilonidal dimple
          Postanal dimple
          Pilonidal cyst NOS
       L05.92 Pilonidal sinus without abscess
          Coccygeal fistula
          Coccygeal sinus without abscess
          Pilonidal fistula

## L08 Other local infections of skin and subcutaneous tissueL08 Other local infections of skin and subcutaneous tissue

    L08. ​0 Pyoderma
       Purulent dermatitis
       Septic dermatitis
       Suppurative dermatitis
       Excludes1: pyoderma gangrenosum (L88)
          pyoderma vegetans (L08.81)
    L08.1 Erythrasma
    L08.8 Other specified local infections of the skin and subcutaneous tissue
       L08.81 Pyoderma vegetans
          Excludes1: pyoderma gangrenosum (L88)
             pyoderma NOS (L08.0)
       L08.82 Omphalitis not of newborn
          Excludes1: omphalitis of newborn (P38.-)
       L08.89 Other specified local infections of the skin and subcutaneous tissue
    L08.9 Local infection of the skin and subcutaneous tissue, unspecified

# Bullous disorders (L10-L14)Bullous disorders (L10-L14)

    Excludes1: benign familial pemphigus [Hailey-Hailey] (Q82.8)
       staphylococcal scalded skin syndrome (L00)
       toxic epidermal necrolysis [Lyell] (L51.2)

## L10 PemphigusL10 Pemphigus

    Excludes1: pemphigus neonatorum (L01.03)
    L10.0 Pemphigus vulgaris
    L10.1 Pemphigus vegetans
    L10.2 Pemphigus foliaceous
    L10.3 Brazilian pemphigus [fogo selvagem]
    L10.4 Pemphigus erythematosus
       Senear-Usher syndrome
    L10.5 Drug-induced pemphigus
       Code first (T36-T50) to identify drug
    L10.8 Other pemphigus
       L10.81 Paraneoplastic pemphigus
       L10.89 Other pemphigus
    L10.9 Pemphigus, unspecified

## L11 Other acantholytic disordersL11 Other acantholytic disorders

    L11.0 Acquired keratosis follicularis
       Excludes1: keratosis follicularis (congenital) [Darier-White] (Q82.8)
    L11.1 Transient acantholytic dermatosis [Grover]
    L11.8 Other specified acantholytic disorders
    L11.9 Acantholytic disorder, unspecified

## L12 ​Pemphigoid

    Excludes1: herpes gestationis (O26.4-)
       impetigo herpetiformis (L40.1)
    L12.0 Bullous pemphigoid
    L12.1 Cicatricial pemphigoid
       Benign mucous membrane pemphigoid
    L12.2 Chronic bullous disease of childhood
       Juvenile dermatitis herpetiformis
    L12.3 Acquired epidermolysis bullosa
       Excludes1: epidermolysis bullosa (congenital) (Q81.-)
       L12.30 Acquired epidermolysis bullosa, unspecified
       L12.31 Epidermolysis bullosa due to drug
          Code first (T36-T50) to identify drug
       L12.35 Other acquired epidermolysis bullosa
    L12.8 Other pemphigoid
    L12.9 Pemphigoid, unspecified

## L13 Other bullous disordersL13 Other bullous disorders

    L13.0 Dermatitis herpetiformis
       Duhring's disease
       Hydroa herpetiformis
       Excludes1: juvenile dermatitis herpetiformis (L12.2)
          senile dermatitis herpetiformis (L12.0)
    L13.1 Subcorneal pustular dermatitis
       Sneddon-Wilkinson disease
    L13.8 Other specified bullous disorders
    L13.9 Bullous disorder, unspecified

## L14 Bullous disorders in diseases classified elsewhereL14 Bullous disorders in diseases classified elsewhere

    Code first underlying disease

# Dermatitis and eczema (L20-L30)Dermatitis and eczema (L20-L30)

    Note: In this block the terms dermatitis and eczema are used synonymously and interchangeably.
    Excludes2: chronic (childhood) granulomatous disease (D71)
       dermatitis gangrenosa (L88)
       dermatitis herpetiformis (L13.0)
       dry skin dermatitis (L85.3)
       factitial dermatitis (L98.1)
       perioral dermatitis (L71.0)
       radiation-related disorders of the skin and subcutaneous tissue (L55-L59)
       stasis dermatitis (I83.1-I83.2)

## L20 Atopic dermatitisL20 Atopic dermatitis

    L20.0 Besnier's prurigo
    L20.8 Other atopic dermatitis
       Excludes2: ​circumscribed neurodermatitis (L28.0)
       L20.81 Atopic neurodermatitis
          Diffuse neurodermatitis
       L20.82 Flexural eczema
       L20.83 Infantile (acute) (chronic) eczema
       L20.84 Intrinsic (allergic) eczema
       L20.89 Other atopic dermatitis
    L20.9 Atopic dermatitis, unspecified

## L21 Seborrheic dermatitisL21 Seborrheic dermatitis

    Excludes2: infective dermatitis (L30.3)
       seborrheic keratosis (L82.-)
    L21.0 Seborrhea capitis
       Cradle cap
    L21.1 Seborrheic infantile dermatitis
    L21.8 Other seborrheic dermatitis
    L21.9 Seborrheic dermatitis, unspecified
       Seborrhea NOS

## L22 Diaper dermatitisL22 Diaper dermatitis

    Includes: Diaper erythema
       Diaper rash
       Psoriasiform diaper rash

## L23 Allergic contact dermatitisL23 Allergic contact dermatitis

    Code first (T36-T65), to identify drug or substance
    Excludes1: allergy NOS (T78.40)
       contact dermatitis NOS (L25.9)
       dermatitis NOS (L30.9)
    Excludes2: dermatitis due to substances taken internally (L27.-)
       dermatitis of eyelid (H01.1-)
       diaper dermatitis (L22)
       eczema of external ear (H60.5-)
       irritant contact dermatitis (L24.-)
       perioral dermatitis (L71.0)
       radiation-related disorders of the skin and subcutaneous tissue (L55-L59)
    L23.0 Allergic contact dermatitis due to metals
       Allergic contact dermatitis due to chromium
       Allergic contact dermatitis due to nickel
    L23.1 Allergic contact dermatitis due to adhesives
    L23.2 Allergic contact dermatitis due to cosmetics
    L23.3 Allergic contact dermatitis due to drugs in contact with skin
       Excludes2: dermatitis due to ingested drugs and medicaments (L27.0-L27.1)
    L23.4 Allergic contact dermatitis due to dyes
    L23.5 Allergic contact dermatitis due to other chemical products
       Allergic ​contact dermatitis due to cement
       Allergic contact dermatitis due to insecticide
       Allergic contact dermatitis due to plastic
       Allergic contact dermatitis due to rubber
    L23.6 Allergic contact dermatitis due to food in contact with the skin
       Excludes2: dermatitis due to ingested food (L27.2)
    L23.7 Allergic contact dermatitis due to plants, except food
       Excludes2: allergy NOS due to pollen (J30.1)
    L23.8 Allergic contact dermatitis due to other agents
       L23.81 Allergic contact dermatitis due to animal (cat) (dog) dander
          Allergic contact dermatitis due to animal (cat) (dog) hair
       L23.89 Allergic contact dermatitis due to other agents
    L23.9 Allergic contact dermatitis, unspecified cause
       Allergic contact eczema NOS

## L24 Irritant contact dermatitisL24 Irritant contact dermatitis

    Code first (T36-T65) to identify drug or substance
    Excludes1: allergy NOS (T78.40)
       contact dermatitis NOS (L25.9)
       dermatitis NOS (L30.9)
    Excludes2: allergic contact dermatitis (L23.-)
       dermatitis due to substances taken internally (L27.-)
       dermatitis of eyelid (H01.1-)
       diaper dermatitis (L22)
       eczema of external ear (H60.5-)
       perioral dermatitis (L71.0)
       radiation-related disorders of the skin and subcutaneous tissue (L55-L59)
    L24.0 Irritant contact dermatitis due to detergents
    L24.1 Irritant contact dermatitis due to oils and greases
    L24.2 Irritant contact dermatitis due to solvents
       Irritant contact dermatitis due to chlorocompound
       Irritant contact dermatitis due to cyclohexane
       Irritant contact dermatitis due to ester
       Irritant contact dermatitis due to glycol
       Irritant contact dermatitis due to hydrocarbon
       Irritant contact dermatitis due to ketone
    L24.3 Irritant contact dermatitis due to cosmetics
    L24.4 Irritant contact dermatitis due to drugs in contact with skin
    L24.5 Irritant contact dermatitis due to other chemical products
       Irritant contact dermatitis due to cement
       Irritant contact dermatitis due to insecticide
       Irritant contact dermatitis due to plastic
       Irritant contact dermatitis due to rubber
    L24.6 Irritant contact dermatitis due to food in contact with skin
       Excludes2: ​dermatitis due to ingested food (L27.2)
    L24.7 Irritant contact dermatitis due to plants, except food
       Excludes2: allergy NOS to pollen (J30.1)
    L24.8 Irritant contact dermatitis due to other agents
       L24.81 Irritant contact dermatitis due to metals
          Irritant contact dermatitis due to chromium
          Irritant contact dermatitis due to nickel
       L24.89 Irritant contact dermatitis due to other agents
          Irritant contact dermatitis due to dyes
    L24.9 Irritant contact dermatitis, unspecified cause
       Irritant contact eczema NOS

## L25 Unspecified contact dermatitisL25 Unspecified contact dermatitis

    Code first (T36-T65), to identify drug or substance
    Excludes1: allergic contact dermatitis (L23.-)
       allergy NOS (T78.40)
       dermatitis NOS (L30.9)
       irritant contact dermatitis (L24.-)
    Excludes2: dermatitis due to ingested substances (L27.-)
       dermatitis of eyelid (H01.1-)
       eczema of external ear (H60.5-)
       perioral dermatitis (L71.0)
       radiation-related disorders of the skin and subcutaneous tissue (L55-L59)
    L25.0 Unspecified contact dermatitis due to cosmetics
    L25.1 Unspecified contact dermatitis due to drugs in contact with skin
       Excludes2: dermatitis due to ingested drugs and medicaments (L27.0-L27.1)
    L25.2 Unspecified contact dermatitis due to dyes
    L25.3 Unspecified contact dermatitis due to other chemical products
       Unspecified contact dermatitis due to cement
       Unspecified contact dermatitis due to insecticide
    L25.4 Unspecified contact dermatitis due to food in contact with skin
       Excludes2: dermatitis due to ingested food (L27.2)
    L25.5 Unspecified contact dermatitis due to plants, except food
       Excludes1: nettle rash (L50.9)
       Excludes2: allergy NOS due to pollen (J30.1)
    L25.8 Unspecified contact dermatitis due to other agents
    L25.9 Unspecified contact dermatitis, unspecified cause
       Contact dermatitis (occupational) NOS
       Contact eczema (occupational) NOS

## L26 Exfoliative dermatitisL26 Exfoliative dermatitis

    Includes: hebra's pityriasis
    Excludes1: Ritter's disease (L00)

## L27 ​Dermatitis due to substances taken internally

    Code first (T36-T65), to identify drug or substance
    Excludes1: allergy NOS (T78.40)
    Excludes2: adverse food reaction, except dermatitis (T78.0-T78.1)
       contact dermatitis (L23-L25)
       drug photoallergic response (L56.1)
       drug phototoxic response (L56.0)
       urticaria (L50.-)
    L27.0 Generalized skin eruption due to drugs and medicaments taken internally
    L27.1 Localized skin eruption due to drugs and medicaments taken internally
    L27.2 Dermatitis due to ingested food
       Excludes2: dermatitis due to food in contact with skin (L23.6, L24.6, L25.4)
    L27.8 Dermatitis due to other substances taken internally
    L27.9 Dermatitis due to unspecified substance taken internally

## L28 Lichen simplex chronicus and prurigoL28 Lichen simplex chronicus and prurigo

    L28.0 Lichen simplex chronicus
       Circumscribed neurodermatitis
       Lichen NOS
    L28.1 Prurigo nodularis
    L28.2 Other prurigo
       Prurigo NOS
       Prurigo Hebra
       Prurigo mitis
       Urticaria papulosa

## L29 PruritusL29 Pruritus

    Excludes1: neurotic excoriation (L98.1)
       psychogenic pruritus (F45.8)
    L29.0 Pruritus ani
    L29.1 Pruritus scroti
    L29.2 Pruritus vulvae
    L29.3 Anogenital pruritus, unspecified
    L29.8 Other pruritus
    L29.9 Pruritus, unspecified
       Itch NOS

## L30 Other and unspecified dermatitisL30 Other and unspecified dermatitis

    Excludes2: contact dermatitis (L23-L25)
       dry skin dermatitis (L85.3)
       small plaque parapsoriasis (L41.3)
       stasis dermatitis (I83.1-.2)
    L30.0 Nummular dermatitis
    L30.1 Dyshidrosis [pompholyx]
    L30. ​2 Cutaneous autosensitization
       Candidid [levurid]
       Dermatophytid
       Eczematid
    L30.3 Infective dermatitis
       Infectious eczematoid dermatitis
    L30.4 Erythema intertrigo
    L30.5 Pityriasis alba
    L30.8 Other specified dermatitis
    L30.9 Dermatitis, unspecified
       Eczema NOS

# Papulosquamous disorders (L40-L45)Papulosquamous disorders (L40-L45)
## L40 PsoriasisL40 Psoriasis

    L40.0 Psoriasis vulgaris
       Nummular psoriasis
       Plaque psoriasis
    L40.1 Generalized pustular psoriasis
       Impetigo herpetiformis
       Von Zumbusch's disease
    L40.2 Acrodermatitis continua
    L40.3 Pustulosis palmaris et plantaris
    L40.4 Guttate psoriasis
    L40.5 Arthropathic psoriasis
       L40.50 Arthropathic psoriasis, unspecified
       L40.51 Distal interphalangeal psoriatic arthropathy
       L40.52 Psoriatic arthritis mutilans
       L40.53 Psoriatic spondylitis
       L40.54 Psoriatic juvenile arthropathy
       L40.59 Other psoriatic arthropathy
    L40.8 Other psoriasis
       Flexural psoriasis
    L40.9 Psoriasis, unspecified

## L41 ParapsoriasisL41 Parapsoriasis

    Excludes1: poikiloderma vasculare atrophicans (L94.5)
    L41.0 Pityriasis lichenoides et varioliformis acuta
       Mucha-Habermann disease
    L41.1 Pityriasis lichenoides chronica
    L41.2 Lymphomatoid papulosis
    L41.3 Small plaque parapsoriasis
    L41.4 Large plaque parapsoriasis
    L41.5 Retiform parapsoriasis
    L41.8 Other parapsoriasis
    L41.9 Parapsoriasis, unspecified

## L43 Lichen planusL43 Lichen planus

    Excludes1: lichen planopilaris (L66.1)
    L43.0 Hypertrophic lichen planus
    L43.1 Bullous lichen planus
    L43.2 Lichenoid drug reaction
       Code first (T36-T50) to identify drug
    L43.3 Subacute (active) lichen planus
       Lichen planus tropicus
    L43.8 Other lichen planus
    L43.9 Lichen planus, unspecified

## L44 Other papulosquamous disordersL44 Other papulosquamous disorders

    L44.0 Pityriasis rubra pilaris
    L44.1 Lichen nitidus
    L44.2 Lichen striatus
    L44.3 Lichen ruber moniliformis
    L44.4 Infantile papular acrodermatitis [Gianotti-Crosti]
    L44.8 Other specified papulosquamous disorders
    L44.9 Papulosquamous disorder, unspecified

## L45 Papulosquamous disorders in diseases classified elsewhereL45 Papulosquamous disorders in diseases classified elsewhere

    Code first underlying disease.

# Urticaria and erythema (L49-L54)Urticaria and erythema (L49-L54)

    Excludes1: Lyme disease (A69.2-)
       rosacea (L71.-)

## L49 Exfoliation due to erythematous conditions according to extent of body surface involvedL49 Exfoliation due to erythematous conditions according to extent of body surface involved

    Code first erythematous condition causing exfoliation, such as:
       Ritter's disease (L00)
       (Staphylococcal) scalded skin syndrom (L00)
       Stevens-Johnson syndrome (L51.1)
       Stevens-Johnson syndrome-toxic epidermal necrolysis
       overlap syndrome (L51.3)
       Toxic epidermal necrolysis (L51.2)
    L49.0 Exfoliation due to erythematous condition involving less than 10 percent of body surface
       Exfoliation due to erythematous condition NOS
    L49.1 Exfoliation due to erythematous condition involving 10-19 percent of body surface
    L49. ​2 Exfoliation due to erythematous condition involving 20-29 percent of body surface
    L49.3 Exfoliation due to erythematous condition involving 30-39 percent of body surface
    L49.4 Exfoliation due to erythematous condition involving 40-49 percent of body surface
    L49.5 Exfoliation due to erythematous condition involving 50-59 percent of body surface
    L49.6 Exfoliation due to erythematous condition involving 60-69 percent of body surface
    L49.7 Exfoliation due to erythematous condition involving 70-79 percent of body surface
    L49.8 Exfoliation due to erythematous condition involving 80-89 percent of body surface
    L49.9 Exfoliation due to erythematous condition involving 90 or more percent of body surface

## L50 UrticariaL50 Urticaria

    Excludes1: allergic contact dermatitis (L23.-)
       angioneurotic edema (T78.3)
       giant urticaria (T78.3)
       hereditary angio-edema (D84.1)
       Quincke's edema (T78.3)
       serum urticaria (T80.6)
       solar urticaria (L56.3)
       urticaria neonatorum (P83.8)
       urticaria papulosa (L28.2)
       urticaria pigmentosa (Q82.2)
    L50.0 Allergic urticaria
    L50.1 Idiopathic urticaria
    L50.2 Urticaria due to cold and heat
    L50.3 Dermatographic urticaria
    L50.4 Vibratory urticaria
    L50.5 Cholinergic urticaria
    L50.6 Contact urticaria
    L50.8 Other urticaria
       Chronic urticaria
       Recurrent periodic urticaria
    L50.9 Urticaria, unspecified

## L51 Erythema multiformeL51 Erythema multiforme

    Code first (T36-T50) to identify drug, if drug-induced
    Use additional code to identify associated manifestations, such as:
       arthropathy associated with dermatological disorders (M14.8-)
       conjunctival edema (H11.42)
       conjunctivitis (H10.22-)
       corneal ​scars and opacities (H17.-)
       corneal ulcer (H16.0-)
       edema of eyelid (H02.84)
       inflammation of eyelid (H01.8)
       keratoconjunctivitis sicca (H16.22-)
       mechanical lagophthalmos (H02.22-)
       mucositis (J34.81, K12.3-, K12.4, K92.81, N76.81)
       stomatitis (K12.-)
       symblepharon (H11.23-)
    Use additional code to identify percentage of skin exfoliation (L49-)
    Excludes1: staphylococcal scalded skin syndrome (L00)
       Ritter's disease (L00)
    L51.0 Nonbullous erythema multiforme
    L51.1 Stevens-Johnson syndrome
    L51.2 Toxic epidermal necrolysis [Lyell]
    L51.3 Stevens-Johnson syndrome-toxic epidermal necrolysis overlap syndrome
       SJS-TEN overlap syndrome
    L51.8 Other erythema multiforme
    L51.9 Erythema multiforme, unspecified
       Erythema iris
       Erythema multiforme major NOS
       Erythema multiforme minor NOS
       Herpes iris

## L52 Erythema nodosumL52 Erythema nodosum

    Excludes1: tuberculous erythema nodosum (A18.4)

## L53 Other erythematous conditionsL53 Other erythematous conditions

    Excludes1: erythema ab igne (L59.0)
       erythema due to external agents in contact with skin (L23-L25)
       erythema intertrigo (L30.4)
    L53.0 Toxic erythema
       Code first (T36-T65) to identify external agent
       Excludes1: neonatal erythema toxicum (P83.1)
    L53.1 Erythema annulare centrifugum
    L53.2 Erythema marginatum
    L53.3 Other chronic figurate erythema
    L53.8 Other specified erythematous conditions
    L53.9 Erythematous condition, unspecified
       Erythema NOS
       Erythroderma NOS

## L54 Erythema in diseases classified elsewhereL54 Erythema in diseases classified elsewhere

    Code first underlying disease.

# Radiation​related disorders of the skin and subcutaneous tissue (L55-L59)
## L55 SunburnL55 Sunburn

    L55.0 Sunburn of first degree
    L55.1 Sunburn of second degree
    L55.2 Sunburn of third degree
    L55.9 Sunburn, unspecified

## L56 Other acute skin changes due to ultraviolet radiationL56 Other acute skin changes due to ultraviolet radiation

    Use additional code to identify the source of the ultraviolet radiation (W89, X32)
    L56.0 Drug phototoxic response
       Code first (T36-T50) to identify drug
    L56.1 Drug photoallergic response
       Code first (T36-T50) to identify drug
    L56.2 Photocontact dermatitis [berloque dermatitis]
    L56.3 Solar urticaria
    L56.4 Polymorphous light eruption
    L56.5 Disseminated superficial actinic porokeratosis (DSAP)
    L56.8 Other specified acute skin changes due to ultraviolet radiation
    L56.9 Acute skin change due to ultraviolet radiation, unspecified

## L57 Skin changes due to chronic exposure to nonionizing radiationL57 Skin changes due to chronic exposure to nonionizing radiation

    Use additional code to identify the source of the ultraviolet radiation (W89, X32)
    L57.0 Actinic keratosis
       Keratosis NOS
       Senile keratosis
       Solar keratosis
    L57.1 Actinic reticuloid
    L57.2 Cutis rhomboidalis nuchae
    L57.3 Poikiloderma of Civatte
    L57.4 Cutis laxa senilis
       Elastosis senilis
    L57.5 Actinic granuloma
    L57.8 Other skin changes due to chronic exposure to nonionizing radiation
       Farmer's skin
       Sailor's skin
       Solar dermatitis
    L57.9 Skin changes due to chronic exposure to nonionizing radiation, unspecified

## L58 RadiodermatitisL58 Radiodermatitis

    Use ​additional code to identify the source of the radiation (W88, W90)
    L58.0 Acute radiodermatitis
    L58.1 Chronic radiodermatitis
    L58.9 Radiodermatitis, unspecified

## L59 Other disorders of skin and subcutaneous tissue related to radiationL59 Other disorders of skin and subcutaneous tissue related to radiation

    L59.0 Erythema ab igne [dermatitis ab igne]
    L59.8 Other specified disorders of the skin and subcutaneous tissue related to radiation
    L59.9 Disorder of the skin and subcutaneous tissue related to radiation, unspecified

# Disorders of skin appendages (L60-L75)Disorders of skin appendages (L60-L75)

    Excludes1: congenital malformations of integument (Q84.-)

## L60 Nail disordersL60 Nail disorders

    Excludes2: clubbing of nails (R68.3)
       onychia and paronychia (L03.0-)
    L60.0 Ingrowing nail
    L60.1 Onycholysis
    L60.2 Onychogryphosis
    L60.3 Nail dystrophy
    L60.4 Beau's lines
    L60.5 Yellow nail syndrome
    L60.8 Other nail disorders
    L60.9 Nail disorder, unspecified

## L62 Nail disorders in diseases classified elsewhereL62 Nail disorders in diseases classified elsewhere

    Code first underlying disease, such as:
       pachydermoperiostosis (M89.4-)

## L63 Alopecia areataL63 Alopecia areata

    L63.0 Alopecia (capitis) totalis
    L63.1 Alopecia universalis
    L63.2 Ophiasis
    L63.8 Other alopecia areata
    L63.9 Alopecia areata, unspecified

## L64 Androgenic alopeciaL64 Androgenic alopecia

    Includes: male-pattern baldness
    L64.0 Drug-induced androgenic alopecia
       Code first (T36-T50) to identify drug
    L64.8 Other androgenic alopecia
    L64.9 Androgenic alopecia, unspecified

## L65 ​Other nonscarring hair loss

    Excludes1: trichotillomania (F63.3)
    L65.0 Telogen effluvium
    L65.1 Anagen effluvium
    L65.2 Alopecia mucinosa
    L65.8 Other specified nonscarring hair loss
    L65.9 Nonscarring hair loss, unspecified
       Alopecia NOS

## L66 Cicatricial alopecia [scarring hair loss]L66 Cicatricial alopecia [scarring hair loss]

    L66.0 Pseudopelade
    L66.1 Lichen planopilaris
       Follicular lichen planus
    L66.2 Folliculitis decalvans
    L66.3 Perifolliculitis capitis abscedens
    L66.4 Folliculitis ulerythematosa reticulata
    L66.8 Other cicatricial alopecia
    L66.9 Cicatricial alopecia, unspecified

## L67 Hair color and hair shaft abnormalitiesL67 Hair color and hair shaft abnormalities

    Excludes1: monilethrix (Q84.1)
       pili annulati (Q84.1)
       telogen effluvium (L65.0)
    L67.0 Trichorrhexis nodosa
    L67.1 Variations in hair color
       Canities
       Greyness, hair (premature)
       Heterochromia of hair
       Poliosis circumscripta, acquired
       Poliosis NOS
    L67.8 Other hair color and hair shaft abnormalities
       Fragilitas crinium
    L67.9 Hair color and hair shaft abnormality, unspecified

## L68 HypertrichosisL68 Hypertrichosis

    Includes: excess hair
    Excludes1: congenital hypertrichosis (Q84.2)
       persistent lanugo (Q84.2)
    L68.0 Hirsutism
    L68.1 Acquired hypertrichosis lanuginosa
    L68.2 Localized hypertrichosis
    L68.3 Polytrichia
    L68.8 Other hypertrichosis
    L68.9 Hypertrichosis, unspecified

## L70 AcneL70 Acne

    Excludes2: acne keloid (L73.0)
    L70. ​0 Acne vulgaris
    L70.1 Acne conglobata
    L70.2 Acne varioliformis
       Acne necrotica miliaris
    L70.3 Acne tropica
    L70.4 Infantile acne
    L70.5 Acn? excori?e des jeunes filles
       Picker?s acne
    L70.8 Other acne
    L70.9 Acne, unspecified

## L71 RosaceaL71 Rosacea

    L71.0 Perioral dermatitis
    L71.1 Rhinophyma
    L71.8 Other rosacea
    L71.9 Rosacea, unspecified

## L72 Follicular cysts of skin and subcutaneous tissueL72 Follicular cysts of skin and subcutaneous tissue

    L72.0 Epidermal cyst
    L72.1 Trichodermal cyst
       Pilar cyst
       Sebaceous cyst
    L72.2 Steatocystoma multiplex
    L72.8 Other follicular cysts of the skin and subcutaneous tissue
    L72.9 Follicular cyst of the skin and subcutaneous tissue, unspecified

## L73 Other follicular disordersL73 Other follicular disorders

    L73.0 Acne keloid
    L73.1 Pseudofolliculitis barbae
    L73.2 Hidradenitis suppurativa
    L73.8 Other specified follicular disorders
       Sycosis barbae
    L73.9 Follicular disorder, unspecified

## L74 Eccrine sweat disordersL74 Eccrine sweat disorders

    Excludes2: generalized hyperhidrosis (R61)
    L74.0 Miliaria rubra
    L74.1 Miliaria crystallina
    L74.2 Miliaria profunda
       Miliaria tropicalis
    L74.3 Miliaria, unspecified
    L74.4 Anhidrosis
       Hypohidrosis
    L74.5 Focal hyperhidrosis
       L74.51 Primary focal hyperhidrosis
          L74.510 Primary focal hyperhidrosis, axilla
          L74. ​511 Primary focal hyperhidrosis, face
          L74.512 Primary focal hyperhidrosis, palms
          L74.513 Primary focal hyperhidrosis, soles
          L74.519 Primary focal hyperhidrosis, unspecified
       L74.52 Secondary focal hyperhidrosis
          Frey's syndrome
    L74.8 Other eccrine sweat disorders
    L74.9 Eccrine sweat disorder, unspecified
       Sweat gland disorder NOS

## L75 Apocrine sweat disordersL75 Apocrine sweat disorders

    Excludes1: dyshidrosis (L30.1)
       hidradenitis suppurativa (L73.2)
    L75.0 Bromhidrosis
    L75.1 Chromhidrosis
    L75.2 Apocrine miliaria
       Fox-Fordyce disease
    L75.8 Other apocrine sweat disorders
    L75.9 Apocrine sweat disorder, unspecified

# Intraoperative and postprocedural complications of skin and subcutaneous tissue (L76)Intraoperative and postprocedural complications of skin and subcutaneous tissue (L76)
## L76 Intraoperative and postprocedural complications of skin and subcutaneous tissueL76 Intraoperative and postprocedural complications of skin and subcutaneous tissue

    L76.0 Intraoperative hemorrhage and hematoma of skin and subcutaneous tissue complicating a procedure
       Excludes1: intraoperative hemorrhage and hematoma of skin and subcutaneous tissue due to accidental puncture and laceration during a procedure (L76.1-)
       L76.01 Intraoperative hemorrhage and hematoma of skin and subcutaneous tissue complicating a dermatologic procedure
       L76.02 Intraoperative hemorrhage and hematoma of skin and subcutaneous tissue complicating other procedure
       L76.1 Accidental puncture and laceration of skin and subcutaneous tissue during a procedure
       L76.11 Accidental puncture and laceration of skin and subcutaneous tissue during a dermatologic procedure
       L76.12 Accidental puncture and laceration of skin and subcutaneous tissue during other procedure
    L76.2 Postprocedural hemorrhage and hematoma of skin and subcutaneous tissue following a procedure
       L76. ​21 Postprocedural hemorrhage and hematoma of skin and subcutaneous tissue following a dermatologic procedure
       L76.22 Postprocedural hemorrhage and hematoma of skin and subcutaneous tissue following other procedure
    L76.8 Other intraoperative and postprocedural complications of skin and subcutaneous tissue
       Use additional code, if applicable, to further specify disorder
       L76.81 Other intraoperative complications of skin and subcutaneous tissue
       L76.82 Other postprocedural complications of skin and subcutaneous tissue

# Other disorders of the skin and subcutaneous tissue (L80-L99)Other disorders of the skin and subcutaneous tissue (L80-L99)
## L80 VitiligoL80 Vitiligo

    Excludes2: vitiligo of eyelids (H02.73-)
       vitiligo of vulva (N90.8)

## L81 Other disorders of pigmentationL81 Other disorders of pigmentation

    Excludes1: birthmark NOS (Q82.5)
       Peutz-Jeghers syndrome (Q85.8)
    Excludes2: nevus - see Alphabetical Index
    L81.0 Postinflammatory hyperpigmentation
    L81.1 Chloasma
    L81.2 Freckles
    L81.3 Caf? au lait spots
    L81.4 Other melanin hyperpigmentation
       Lentigo
    L81.5 Leukoderma, not elsewhere classified
    L81.6 Other disorders of diminished melanin formation
    L81.7 Pigmented purpuric dermatosis
       Angioma serpiginosum
    L81.8 Other specified disorders of pigmentation
       Iron pigmentation
       Tattoo pigmentation
    L81.9 Disorder of pigmentation, unspecified

## L82 Seborrheic keratosisL82 Seborrheic keratosis

    Includes: dermatosis papulosa nigra
       Leser-Tr?lat disease
    Excludes2: seborrheic dermatitis (L21.-)
    L82.0 Inflamed seborrheic keratosis
    L82.1 Other seborrheic keratosis
       Seborrheic ​keratosis NOS

## L83 Acanthosis nigricansL83 Acanthosis nigricans

    Includes: confluent and reticulated papillomatosis

## L84 Corns and callositiesL84 Corns and callosities

    Includes: callus
       clavus

## L85 Other epidermal thickeningL85 Other epidermal thickening

    Excludes2: hypertrophic disorders of the skin (L91.-)
    L85.0 Acquired ichthyosis
       Excludes1: congenital ichthyosis (Q80.-)
    L85.1 Acquired keratosis [keratoderma] palmaris et plantaris
       Excludes1: inherited keratosis palmaris et plantaris (Q82.8)
    L85.2 Keratosis punctata (palmaris et plantaris)
    L85.3 Xerosis cutis
       Dry skin dermatitis
    L85.8 Other specified epidermal thickening
       Cutaneous horn
    L85.9 Epidermal thickening, unspecified

## L86 Keratoderma in diseases classified elsewhereL86 Keratoderma in diseases classified elsewhere

    Code first underlying disease, such as:
       Reiter's disease (M02.3-)
    Excludes1: gonococcal keratoderma (A54.89)
       gonococcal keratosis (A54.89)
       keratoderma due to vitamin A deficiency (E50.8)
       keratosis due to vitamin A deficiency (E50.8)
       xeroderma due to vitamin A deficiency (E50.8)

## L87 Transepidermal elimination disordersL87 Transepidermal elimination disorders

    Excludes1: granuloma annulare (perforating) (L92.0)
    L87.0 Keratosis follicularis et parafollicularis in cutem penetrans
       [Kyrle]
       Hyperkeratosis follicularis penetrans
    L87.1 Reactive perforating collagenosis
    L87.2 Elastosis perforans serpiginosa
    L87.8 Other transepidermal elimination disorders
    L87.9 Transepidermal elimination disorder, unspecified

## L88 Pyoderma gangrenosumL88 Pyoderma gangrenosum

    Includes: dermatitis gangrenosa
       phagedenic pyoderma

## L89 Pressure ulcerL89 Pressure ulcer

    Includes: bed sore
       decubitus ulcer
       plaster ​ulcer
       pressure area
       pressure sore
    Code first any associated gangrene (I96)
    Excludes2: decubitus (trophic) ulcer of cervix (uteri) (N86)
       diabetic ulcers (E08.621, E08.622, E09.621, E09.622, E10.621, E10.622, E11.621, E11.622, E13.621, E13.622)
       non-pressure chronic ulcer of skin (L97.-)
       skin infections (L00-L08)
       varicose ulcer (I83.0, I83.2)
    L89.0 Pressure ulcer of elbow
       L89.00 Pressure ulcer of unspecified elbow
          L89.000 Pressure ulcer of unspecified elbow, unstageable
          L89.001 Pressure ulcer of unspecified elbow, stage 1
             Healing pressure ulcer of unspecified elbow, stage 1
             Pressure pre-ulcer skin changes limited to persistent focal edema, unspecified elbow
          L89.002 Pressure ulcer of unspecified elbow, stage 2
             Healing pressure ulcer of unspecified elbow, stage 2
             Pressure ulcer with abrasion, blister, partial thickness skin loss involving epidermis and/or dermis, unspecified elbow
          L89.003 Pressure ulcer of unspecified elbow, stage 3
             Healing pressure ulcer of unspecified elbow, stage 3
             Pressure ulcer with full thickness skin loss involving damage or necrosis of subcutaneous tissue, unspecified elbow
          L89.004 Pressure ulcer of unspecified elbow, stage 4
             Healing pressure ulcer of unspecified elbow, stage 4
             Pressure ulcer with necrosis of soft tissues through to underlying muscle, tendon, or bone, unspecified elbow
          L89.009 Pressure ulcer of unspecified elbow, unspecified stage
             Healing pressure ulcer of elbow NOS
             Healing pressure ulcer of unspecified elbow, unspecified stage
       L89.01 Pressure ulcer of right elbow
          L89.010 Pressure ulcer of right elbow, unstageable
          L89.011 Pressure ulcer of right elbow, stage I
             Healing pressure ulcer of right elbow, stage I
             Pressure pre-ulcer skin changes limited to persistent focal edema, right elbow
          L89.012 Pressure ulcer of right elbow, stage II
             Healing pressure ulcer of right elbow, stage II
             Pressure ​ulcer with abrasion, blister, partial thickness skin loss involving epidermis and/or dermis, right elbow
          L89.013 Pressure ulcer of right elbow, stage III
             Healing pressure ulcer of right elbow, stage III
             Pressure ulcer with full thickness skin loss involving damage or necrosis of subcutaneous tissue, right elbow
          L89.014 Pressure ulcer of right elbow, stage IV
             Healing pressure ulcer of right elbow, stage IV
             Pressure ulcer with necrosis of soft tissues through to underlying muscle, tendon, or bone, right elbow
          L89.019 Pressure ulcer of right elbow, unspecified stage
             Healing pressure right of elbow NOS
             Healing pressure ulcer of unspecified elbow, unspecified stage
       L89.02 Pressure ulcer of left elbow
          L89.020 Pressure ulcer of left elbow, unstageable
          L89.021 Pressure ulcer of left elbow, stage I
             Healing pressure ulcer of left elbow, stage I
             Pressure pre-ulcer skin changes limited to persistent focal edema, left elbow
          L89.022 Pressure ulcer of left elbow, stage II
             Healing pressure ulcer of left elbow, stage II
             Pressure ulcer with abrasion, blister, partial thickness skin loss involving epidermis and/or dermis, left elbow
          L89.023 Pressure ulcer of left elbow, stage III
             Healing pressure ulcer of left elbow, stage III
             Pressure ulcer with full thickness skin loss involving damage or necrosis of subcutaneous tissue, left elbow
          L89.024 Pressure ulcer of left elbow, stage IV
             Healing pressure ulcer of left elbow, stage IV
             Pressure ulcer with necrosis of soft tissues through to underlying muscle, tendon, or bone, left elbow
          L89.029 Pressure ulcer of left elbow, unspecified stage
             Healing pressure ulcer of left of elbow NOS
             Healing pressure ulcer of unspecified elbow, unspecified stage
    L89.1 Pressure ulcer of back
       L89.10 Pressure ulcer of unspecified part of back
          L89.100 Pressure ulcer of unspecified part of back, unstageable
          L89. ​101 Pressure ulcer of unspecified part of back, stage I
             Healing pressure ulcer of unspecified part of back, stage I
             Pressure pre-ulcer skin changes limited to persistent focal edema, unspecified part of back
          L89.102 Pressure ulcer of unspecified part of back, stage II
             Healing pressure ulcer of unspecified part of back, stage II
             Pressure ulcer with abrasion, blister, partial thickness skin loss involving epidermis and/or dermis, unspecified part of back
          L89.103 Pressure ulcer of unspecified part of back, stage III
             Healing pressure ulcer of unspecified part of back, stage III
             Pressure ulcer with full thickness skin loss involving damage or necrosis of subcutaneous tissue, unspecified part of back
          L89.104 Pressure ulcer of unspecified part of back, stage IV
             Healing pressure ulcer of unspecified part of back, stage IV
             Pressure ulcer with necrosis of soft tissues through to underlying muscle, tendon, or bone, unspecified part of back
          L89.109 Pressure ulcer of unspecified part of back, unspecified stage
             Healing pressure ulcer of unspecified part of back NOS
             Healing pressure ulcer of unspecified part of back, unspecified stage
       L89.11 Pressure ulcer of right upper back
          Pressure ulcer of right shoulder blade
          L89.110 Pressure ulcer of right upper back, unstageable
          L89.111 Pressure ulcer of right upper back, stage I
             Healing pressure ulcer of right upper back, stage I
             Pressure pre-ulcer skin changes limited to persistent focal edema, right upper back
          L89.112 Pressure ulcer of right upper back, stage II
             Healing pressure ulcer of right upper back, stage II
             Pressure ulcer with abrasion, blister, partial thickness skin loss involving epidermis and/or dermis, right upper back
          L89. ​113 Pressure ulcer of right upper back, stage III
             Healing pressure ulcer of right upper back, stage III
             Pressure ulcer with full thickness skin loss involving damage or necrosis of subcutaneous tissue, right upper back
          L89.114 Pressure ulcer of right upper back, stage IV
             Healing pressure ulcer of right upper back, stage IV
             Pressure ulcer with necrosis of soft tissues through to underlying muscle, tendon, or bone, right upper back
          L89.119 Pressure ulcer of right upper back, unspecified stage
             Healing pressure ulcer of right upper back NOS
             Healing pressure ulcer of right upper back, unspecified stage
       L89.12 Pressure ulcer of left upper back
          Pressure ulcer of left shoulder blade
          L89.120 Pressure ulcer of left upper back, unstageable
          L89.121 Pressure ulcer of left upper back, stage I
             Healing pressure ulcer of left upper back, stage I
             Pressure pre-ulcer skin changes limited to persistent focal edema, left upper back
          L89.122 Pressure ulcer of left upper back, stage II
             Healing pressure ulcer of left upper back, stage II
             Pressure ulcer with abrasion, blister, partial thickness skin loss involving epidermis and/or dermis, left upper back
          L89.123 Pressure ulcer of left upper back, stage III
             Healing pressure ulcer of left upper back, stage III
             Pressure ulcer with full thickness skin loss involving damage or necrosis of subcutaneous tissue, left upper back
          L89.124 Pressure ulcer of left upper back, stage IV
             Healing pressure ulcer of left upper back, stage IV
             Pressure ulcer with necrosis of soft tissues through to underlying muscle, tendon, or bone, left upper back
          L89.129 Pressure ulcer of left upper back, unspecified stage
             Healing pressure ulcer of left upper back NOS
             Healing pressure ulcer of left upper back, unspecified stage
       L89.13 Pressure ulcer of right lower back
          L89.130 Pressure ulcer of right lower back, unstageable
          L89. ​131 Pressure ulcer of right lower back, stage I
             Healing pressure ulcer of right lower back, stage I
             Pressure pre-ulcer skin changes limited to persistent focal edema, right lower back
          L89.132 Pressure ulcer of right lower back, stage II
             Healing pressure ulcer of right lower back, stage II
             Pressure ulcer with abrasion, blister, partial thickness skin loss involving epidermis and/or dermis, right lower back
          L89.133 Pressure ulcer of right lower back, stage III
             Healing pressure ulcer of right lower back, stage III
             Pressure ulcer with full thickness skin loss involving damage or necrosis of subcutaneous tissue, right lower back
          L89.134 Pressure ulcer of right lower back, stage IV
             Healing pressure ulcer of right lower back, stage IV
             Pressure ulcer with necrosis of soft tissues through to underlying muscle, tendon, or bone, right lower back
          L89.139 Pressure ulcer of right lower back, unspecified stage
             Healing pressure ulcer of right lower back NOS
             Healing pressure ulcer of right lower back, unspecified stage
       L89.14 Pressure ulcer of left lower back
          L89.140 Pressure ulcer of left lower back, unstageable
          L89.141 Pressure ulcer of left lower back, stage I
             Healing pressure ulcer of left lower back, stage I
             Pressure pre-ulcer skin changes limited to persistent focal edema, left lower back
          L89.142 Pressure ulcer of left lower back, stage II
             Healing pressure ulcer of left lower back, stage II
             Pressure ulcer with abrasion, blister, partial thickness skin loss involving epidermis and/or dermis, left lower back
          L89.143 Pressure ulcer of left lower back, stage III
             Healing pressure ulcer of left lower back, stage III
             Pressure ulcer with full thickness skin loss involving damage or necrosis of subcutaneous tissue, left lower back
          L89.144 Pressure ulcer of left lower back, stage IV
             Healing pressure ulcer of left lower back, stage IV
             Pressure ulcer with necrosis of soft tissues through to underlying muscle, tendon, or bone, left lower back
          L89. ​149 Pressure ulcer of left lower back, unspecified stage
             Healing pressure ulcer of left lower back NOS
             Healing pressure ulcer of left lower back, unspecified stage
       L89.15 Pressure ulcer of sacral region
          Pressure ulcer of coccyx
          Pressure ulcer of tailbone
          L89.150 Pressure ulcer of sacral region, unstageable
          L89.151 Pressure ulcer of sacral region, stage I
             Healing pressure ulcer of sacral region, stage I
             Pressure pre-ulcer skin changes limited to persistent focal edema, sacral region
          L89.152 Pressure ulcer of sacral region, stage II
             Healing pressure ulcer of sacral region, stage II
             Pressure ulcer with abrasion, blister, partial thickness skin loss involving epidermis and/or dermis, sacral region
          L89.153 Pressure ulcer of sacral region, stage III
             Healing pressure ulcer of sacral region, stage III
             Pressure ulcer with full thickness skin loss involving damage or necrosis of subcutaneous tissue, sacral region
          L89.154 Pressure ulcer of sacral region, stage IV
             Healing pressure ulcer of sacral region, stage IV
             Pressure ulcer with necrosis of soft tissues through to underlying muscle, tendon, or bone, sacral region
          L89.159 Pressure ulcer of sacral region, unspecified stage
             Healing pressure ulcer of sacral region NOS
             Healing pressure ulcer of sacral region, unspecified stage
    L89.2 Pressure ulcer of hip
       L89.20 Pressure ulcer of unspecified hip
          L89.200 Pressure ulcer of unspecified hip, unstageable
          L89.201 Pressure ulcer of unspecified hip, stage I
             Healing pressure ulcer of unspecified hip back, stage I
             Pressure pre-ulcer skin changes limited to persistent focal edema, unspecified hip
          L89.202 Pressure ulcer of unspecified hip, stage II
             Healing pressure ulcer of unspecified hip, stage II
             Pressure ​ulcer with abrasion, blister, partial thickness skin loss involving epidermis and/or dermis, unspecified hip
          L89.203 Pressure ulcer of unspecified hip, stage III
             Healing pressure ulcer of unspecified hip, stage III
             Pressure ulcer with full thickness skin loss involving damage or necrosis of subcutaneous tissue, unspecified hip
          L89.204 Pressure ulcer of unspecified hip, stage IV
             Healing pressure ulcer of unspecified hip, stage IV
             Pressure ulcer with necrosis of soft tissues through to underlying muscle, tendon, or bone, unspecified hip
          L89.209 Pressure ulcer of unspecified hip, unspecified stage
             Healing pressure ulcer of unspecified hip NOS
             Healing pressure ulcer of unspecified hip, unspecified stage
       L89.21 Pressure ulcer of right hip
          L89.210 Pressure ulcer of right hip, unstageable
          L89.211 Pressure ulcer of right hip, stage I
             Healing pressure ulcer of right hip back, stage I
             Pressure pre-ulcer skin changes limited to persistent focal edema, right hip
          L89.212 Pressure ulcer of right hip, stage II
             Healing pressure ulcer of right hip, stage II
             Pressure ulcer with abrasion, blister, partial thickness skin loss involving epidermis and/or dermis, right hip
          L89.213 Pressure ulcer of right hip, stage III
             Healing pressure ulcer of right hip, stage III
             Pressure ulcer with full thickness skin loss involving damage or necrosis of subcutaneous tissue, right hip
          L89.214 Pressure ulcer of right hip, stage IV
             Healing pressure ulcer of right hip, stage IV
             Pressure ulcer with necrosis of soft tissues through to underlying muscle, tendon, or bone, right hip
          L89.219 Pressure ulcer of right hip, unspecified stage
             Healing pressure ulcer of right hip NOS
             Healing pressure ulcer of right hip, unspecified stage
       L89.22 Pressure ulcer of left hip
          L89.220 Pressure ulcer of left hip, unstageable
          L89.221 Pressure ulcer of left hip, stage I
             Healing ​pressure ulcer of left hip back, stage I
             Pressure pre-ulcer skin changes limited to persistent focal edema, left hip
          L89.222 Pressure ulcer of left hip, stage II
             Healing pressure ulcer of left hip, stage II
             Pressure ulcer with abrasion, blister, partial thickness skin loss involving epidermis and/or dermis, left hip
          L89.223 Pressure ulcer of left hip, stage III
             Healing pressure ulcer of left hip, stage III
             Pressure ulcer with full thickness skin loss involving damage or necrosis of subcutaneous tissue, left hip
          L89.224 Pressure ulcer of left hip, stage IV
             Healing pressure ulcer of left hip, stage IV
             Pressure ulcer with necrosis of soft tissues through to underlying muscle, tendon, or bone, left hip
          L89.229 Pressure ulcer of left hip, unspecified stage
             Healing pressure ulcer of left hip NOS
             Healing pressure ulcer of left hip, unspecified stage
    L89.3 Pressure ulcer of buttock
       L89.30 Pressure ulcer of unspecified buttock
          L89.300 Pressure ulcer of unspecified buttock, unstageable
          L89.301 Pressure ulcer of unspecified buttock, stage I
             Healing pressure ulcer of unspecified buttock, stage I
             Pressure pre-ulcer skin changes limited to persistent focal edema, unspecified buttock
          L89.302 Pressure ulcer of unspecified buttock, stage II
             Healing pressure ulcer of unspecified buttock, stage II
             Pressure ulcer with abrasion, blister, partial thickness skin loss involving epidermis and/or dermis, unspecified buttock
          L89.303 Pressure ulcer of unspecified buttock, stage III
             Healing pressure ulcer of unspecified buttock, stage III
             Pressure ulcer with full thickness skin loss involving damage or necrosis of subcutaneous tissue, unspecified buttock
          L89.304 Pressure ulcer of unspecified buttock, stage IV
             Healing pressure ulcer of unspecified buttock, stage IV
             Pressure ​ulcer with necrosis of soft tissues through to underlying muscle, tendon, or bone, unspecified buttock
          L89.309 Pressure ulcer of unspecified buttock, unspecified stage
             Healing pressure ulcer of unspecified buttock NOS
             Healing pressure ulcer of unspecified buttock, unspecified stage
       L89.31 Pressure ulcer of right buttock
          L89.310 Pressure ulcer of right buttock, unstageable
          L89.311 Pressure ulcer of right buttock, stage I
             Healing pressure ulcer of right buttock, stage I
             Pressure pre-ulcer skin changes limited to persistent focal edema, right buttock
          L89.312 Pressure ulcer of right buttock, stage II
             Healing pressure ulcer of right buttock, stage II
             Pressure ulcer with abrasion, blister, partial thickness skin loss involving epidermis and/or dermis, right buttock
          L89.313 Pressure ulcer of right buttock, stage III
             Healing pressure ulcer of right buttock, stage III
             Pressure ulcer with full thickness skin loss involving damage or necrosis of subcutaneous tissue, right buttock
          L89.314 Pressure ulcer of right buttock, stage IV
             Healing pressure ulcer of right buttock, stage IV
             Pressure ulcer with necrosis of soft tissues through to underlying muscle, tendon, or bone, right buttock
          L89.319 Pressure ulcer of right buttock, unspecified stage
             Healing pressure ulcer of right buttock NOS
             Healing pressure ulcer of right buttock, unspecified stage
       L89.32 Pressure ulcer of left buttock
          L89.320 Pressure ulcer of left buttock, unstageable
          L89.321 Pressure ulcer of left buttock, stage I
             Healing pressure ulcer of left buttock, stage I
             Pressure pre-ulcer skin changes limited to persistent focal edema, left buttock
          L89.322 Pressure ulcer of left buttock, stage II
             Healing pressure ulcer of left buttock, stage II
             Pressure ulcer with abrasion, blister, partial thickness skin loss involving epidermis and/or dermis, left buttock
          L89.323 Pressure ulcer of left buttock, stage III
             Healing ​pressure ulcer of left buttock, stage III
             Pressure ulcer with full thickness skin loss involving damage or necrosis of subcutaneous tissue, left buttock
          L89.324 Pressure ulcer of left buttock, stage IV
             Healing pressure ulcer of left buttock, stage IV
             Pressure ulcer with necrosis of soft tissues through to underlying muscle, tendon, or bone, left buttock
          L89.329 Pressure ulcer of left buttock, unspecified stage
             Healing pressure ulcer of left buttock NOS
             Healing pressure ulcer of left buttock, unspecified stage
    L89.4 Pressure ulcer of contiguous site of back, buttock and hip
       L89.40 Pressure ulcer of contiguous site of back, buttock and hip, unspecified stage
          Healing pressure ulcer of contiguous site of back, buttock and hip NOS
          Healing pressure ulcer of contiguous site of back, buttock and hip, unspecified stage
       L89.41 Pressure ulcer of contiguous site of back, buttock and hip, stage I
          Healing pressure ulcer of contiguous site of back, buttock and hip, stage I
          Pressure pre-ulcer skin changes limited to persistent focal edema, contiguous site of back, buttock and hip
       L89.42 Pressure ulcer of contiguous site of back, buttock and hip, stage II
          Healing pressure ulcer of contiguous site of back, buttock and hip, stage II
          Pressure ulcer with abrasion, blister, partial thickness skin loss involving epidermis and/or dermis, contiguous site of back, buttock and hip
       L89.43 Pressure ulcer of contiguous site of back, buttock and hip, stage III
          Healing pressure ulcer of contiguous site of back, buttock and hip, stage III
          Pressure ulcer with full thickness skin loss involving damage or necrosis of subcutaneous tissue, contiguous site of back, buttock and hip
       L89.44 Pressure ulcer of contiguous site of back, buttock and hip, stage IV
          Healing pressure ulcer of contiguous site of back, buttock and hip, stage IV
          Pressure ​ulcer with necrosis of soft tissues through to underlying muscle, tendon, or bone, contiguous site of back, buttock and hip
       L89.45 Pressure ulcer of contiguous site of back, buttock and hip, unstageable
    L89.5 Pressure ulcer of ankle
       L89.50 Pressure ulcer of unspecified ankle
          L89.500 Pressure ulcer of unspecified ankle, unstageable
          L89.501 Pressure ulcer of unspecified ankle, stage I
             Healing pressure ulcer of unspecified ankle, stage I
             Pressure pre-ulcer skin changes limited to persistent focal edema, unspecified ankle
          L89.502 Pressure ulcer of unspecified ankle, stage II
             Healing pressure ulcer of unspecified ankle, stage II
             Pressure ulcer with abrasion, blister, partial thickness skin loss involving epidermis and/or dermis, unspecified ankle
          L89.503 Pressure ulcer of unspecified ankle, stage III
             Healing pressure ulcer of unspecified ankle, stage III
             Pressure ulcer with full thickness skin loss involving damage or necrosis of subcutaneous tissue, unspecified ankle
          L89.504 Pressure ulcer of unspecified ankle, stage IV
             Healing pressure ulcer of unspecified ankle, stage IV
             Pressure ulcer with necrosis of soft tissues through to underlying muscle, tendon, or bone, unspecified ankle
          L89.509 Pressure ulcer of unspecified ankle, unspecified stage
             Healing pressure ulcer of unspecified ankle NOS
             Healing pressure ulcer of unspecified ankle, unspecified stage
       L89.51 Pressure ulcer of right ankle
          L89.510 Pressure ulcer of right ankle, unstageable
          L89.511 Pressure ulcer of right ankle, stage I
             Healing pressure ulcer of right ankle, stage I
             Pressure pre-ulcer skin changes limited to persistent focal edema, right ankle
          L89.512 Pressure ulcer of right ankle, stage II
             Healing pressure ulcer of right ankle, stage II
             Pressure ulcer with abrasion, blister, partial thickness skin loss involving epidermis and/or dermis, right ankle
          L89. ​513 Pressure ulcer of right ankle, stage III
             Healing pressure ulcer of right ankle, stage III
             Pressure ulcer with full thickness skin loss involving damage or necrosis of subcutaneous tissue, right ankle
          L89.514 Pressure ulcer of right ankle, stage IV
             Healing pressure ulcer of right ankle, stage IV
             Pressure ulcer with necrosis of soft tissues through to underlying muscle, tendon, or bone, right ankle
          L89.519 Pressure ulcer of right ankle, unspecified stage
             Healing pressure ulcer of right ankle NOS
             Healing pressure ulcer of right ankle, unspecified stage
       L89.52 Pressure ulcer of left ankle
          L89.520 Pressure ulcer of left ankle, unstageable
          L89.521 Pressure ulcer of left ankle, stage I
             Healing pressure ulcer of left ankle, stage I
             Pressure pre-ulcer skin changes limited to persistnt focal edema, left ankle
          L89.522 Pressure ulcer of left ankle, stage II
             Healing pressure ulcer of left ankle, stage II
             Pressure ulcer with abrasion, blister, partial thickness skin loss involving epidermis and/or dermis, left ankle
          L89.523 Pressure ulcer of left ankle, stage III
             Healing pressure ulcer of left ankle, stage III
             Pressure ulcer with full thickness skin loss involving damage or necrosis of subcutaneous tissue, left ankle
          L89.524 Pressure ulcer of left ankle, stage IV
             Healing pressure ulcer of left ankle, stage IV
             Pressure ulcer with necrosis of soft tissues through to underlying muscle, tendon, or bone, left ankle
          L89.529 Pressure ulcer of left ankle, unspecified stage
             Healing pressure ulcer of left ankle NOS
             Healing pressure ulcer of left ankle, unspecified stage
    L89.6 Pressure ulcer of heel
       L89.60 Pressure ulcer of unspecified heel
          L89.600 Pressure ulcer of unspecified heel, unstageable
          L89.601 Pressure ulcer of unspecified heel, stage I
             Healing pressure ulcer of unspecified heel, stage I
             Pressure ​pre-ulcer skin changes limited to persistent focal edema, unspecified heel
          L89.602 Pressure ulcer of unspecified heel, stage II
             Healing pressure ulcer of unspecified heel, stage II
             Pressure ulcer with abrasion, blister, partial thickness skin loss involving epidermis and/or dermis, unspecified heel
          L89.603 Pressure ulcer of unspecified heel, stage III
             Healing pressure ulcer of unspecified heel, stage III
             Pressure ulcer with full thickness skin loss involving damage or necrosis of subcutaneous tissue, unspecified heel
          L89.604 Pressure ulcer of unspecified heel, stage IV
             Healing pressure ulcer of unspecified heel, stage IV
             Pressure ulcer with necrosis of soft tissues through to underlying muscle, tendon, or bone, unspecified heel
          L89.609 Pressure ulcer of unspecified heel, unspecified stage
             Healing pressure ulcer of unspecified heel NOS
             Healing pressure ulcer of unspecified heel, unspecified stage
       L89.61 Pressure ulcer of right heel
          L89.610 Pressure ulcer of right heel, unstageable
          L89.611 Pressure ulcer of right heel, stage I
             Healing pressure ulcer of right heel, stage I
             Pressure pre-ulcer skin changes limited to persistent focal edema, right heel
          L89.612 Pressure ulcer of right heel, stage II
             Healing pressure ulcer of right heel, stage II
             Pressure ulcer with abrasion, blister, partial thickness skin loss involving epidermis and/or dermis, right heel
          L89.613 Pressure ulcer of right heel, stage III
             Healing pressure ulcer of right heel, stage III
             Pressure ulcer with full thickness skin loss involving damage or necrosis of subcutaneous tissue, right heel
          L89.614 Pressure ulcer of right heel, stage IV
             Healing pressure ulcer of right heel, stage IV
             Pressure ulcer with necrosis of soft tissues through to underlying muscle, tendon, or bone, right heel
          L89.619 Pressure ulcer of right heel, unspecified stage
             Healing pressure ulcer of right heel NOS
             Healing ​pressure ulcer of unspecified heel, right stage
       L89.62 Pressure ulcer of left heel
          L89.620 Pressure ulcer of left heel, unstageable
          L89.621 Pressure ulcer of left heel, stage I
             Healing pressure ulcer of left heel, stage I
             Pressure pre-ulcer skin changes limited to persistent focal edema, left heel
          L89.622 Pressure ulcer of left heel, stage II
             Healing pressure ulcer of left heel, stage II
             Pressure ulcer with abrasion, blister, partial thickness skin loss involving epidermis and/or dermis, left heel
          L89.623 Pressure ulcer of left heel, stage III
             Healing pressure ulcer of left heel, stage III
             Pressure ulcer with full thickness skin loss involving damage or necrosis of subcutaneous tissue, left heel
          L89.624 Pressure ulcer of left heel, stage IV
             Healing pressure ulcer of left heel, stage IV
             Pressure ulcer with necrosis of soft tissues through to underlying muscle, tendon, or bone, left heel
          L89.629 Pressure ulcer of left heel, unspecified stage
             Healing pressure ulcer of left heel NOS
             Healing pressure ulcer of left heel, unspecified stage
    L89.8 Pressure ulcer of other site
       L89.81 Pressure ulcer of head
          Pressure ulcer of face
          L89.810 Pressure ulcer of head, unstageable
          L89.811 Pressure ulcer of head, stage I
             Healing pressure ulcer of head, stage I
             Pressure pre-ulcer skin changes limited to persistent focal edema, head
          L89.812 Pressure ulcer of head, stage II
             Healing pressure ulcer of head, stage II
             Pressure ulcer with abrasion, blister, partial thickness skin loss involving epidermis and/or dermis, head
          L89.813 Pressure ulcer of head, stage III
             Healing pressure ulcer of head, stage III
             Pressure ulcer with full thickness skin loss involving damage or necrosis of subcutaneous tissue, head
          L89.814 Pressure ulcer of head, stage IV
             Healing ​pressure ulcer of head, stage IV
             Pressure ulcer with necrosis of soft tissues through to underlying muscle, tendon, or bone, head
          L89.819 Pressure ulcer of head, unspecified stage
             Healing pressure ulcer of head NOS
             Healing pressure ulcer of head, unspecified stage
       L89.89 Pressure ulcer of other site
          L89.890 Pressure ulcer of other site, unstageable
          L89.891 Pressure ulcer of other site, stage I
             Healing pressure ulcer of other site, stage I
             Pressure pre-ulcer skin changes limited to persistent focal edema, other site
          L89.892 Pressure ulcer of other site, stage II
             Healing pressure ulcer of other site, stage II
             Pressure ulcer with abrasion, blister, partial thickness skin loss involving epidermis and/or dermis, other site
          L89.893 Pressure ulcer of other site, stage III
             Healing pressure ulcer of other site, stage III
             Pressure ulcer with full thickness skin loss involving damage or necrosis of subcutaneous tissue, other site
          L89.894 Pressure ulcer of other site, stage IV
             Healing pressure ulcer of other site, stage IV
             Pressure ulcer with necrosis of soft tissues through to underlying muscle, tendon, or bone, other site
          L89.899 Pressure ulcer of other site, unspecified stage
             Healing pressure ulcer of other site NOS
             Healing pressure ulcer of other site, unspecified stage
    L89.9 Pressure ulcer of unspecified site
       L89.90 Pressure ulcer of unspecified site, unspecified stage
          Healing pressure ulcer of unspecified site NOS
          Healing pressure ulcer of unspecified site, unspecified stage
       L89.91 Pressure ulcer of unspecified site, stage I
          Healing pressure ulcer of unspecified site, stage I
          Pressure pre-ulcer skin changes limited to persistent focal edema, unspecified site
       L89.92 Pressure ulcer of unspecified site, stage II
          Healing pressure ulcer of unspecified site, stage II
          Pressure ulcer with abrasion, blister, partial thickness skin loss involving epidermis and/or dermis, unspecified site
       L89.93 Pressure ulcer of unspecified site, stage III
          Healing ​pressure ulcer of unspecified site, stage III
          Pressure ulcer with full thickness skin loss involving damage or necrosis of subcutaneous tissue, unspecified site
       L89.94 Pressure ulcer of unspecified site, stage IV
          Healing pressure ulcer of unspecified site, stage IV
          Pressure ulcer with necrosis of soft tissues through to underlying muscle, tendon, or bone, unspecified site
       L89.95 Pressure ulcer of unspecified site, unstageable

## L90 Atrophic disorders of skinL90 Atrophic disorders of skin

    L90.0 Lichen sclerosus et atrophicus
       Excludes2: lichen sclerosus of external female genital organs (N90.4)
          lichen sclerosus of external male genital organs (N48.0)
    L90.1 Anetoderma of Schweninger-Buzzi
    L90.2 Anetoderma of Jadassohn-Pellizzari
    L90.3 Atrophoderma of Pasini and Pierini
    L90.4 Acrodermatitis chronica atrophicans
    L90.5 Scar conditions and fibrosis of skin
       Adherent scar (skin)
       Cicatrix
       Disfigurement of skin due to scar
       Fibrosis of skin NOS
       Scar NOS
       Excludes2: hypertrophic scar (L91.0)
          keloid scar (L91.0)
    L90.6 Striae atrophicae
    L90.8 Other atrophic disorders of skin
    L90.9 Atrophic disorder of skin, unspecified

## L91 Hypertrophic disorders of skinL91 Hypertrophic disorders of skin

    L91.0 Hypertrophic scar
       Keloid
       Keloid scar
       Excludes2: acne keloid (L73.0)
          scar NOS (L90.5)
    L91.8 Other hypertrophic disorders of the skin
    L91.9 Hypertrophic disorder of the skin, unspecified

## L92 Granulomatous disorders of skin and subcutaneous tissueL92 Granulomatous disorders of skin and subcutaneous tissue

    Excludes2: actinic granuloma (L57.5)
    L92.0 Granuloma annulare
       Perforating granuloma annulare
    L92.1 Necrobiosis lipoidica, not elsewhere classified
       Excludes1: necrobiosis lipoidica associated with diabetes mellitus (E08-E13 with .620)
    L92. ​2 Granuloma faciale [eosinophilic granuloma of skin]
    L92.3 Foreign body granuloma of the skin and subcutaneous tissue
    L92.8 Other granulomatous disorders of the skin and subcutaneous tissue
    L92.9 Granulomatous disorder of the skin and subcutaneous tissue, unspecified

## L93 Lupus erythematosusL93 Lupus erythematosus

    Excludes1: lupus exedens (A18.4)
       lupus vulgaris (A18.4)
       scleroderma (M34.-)
       systemic lupus erythematosus (M32.-)
    L93.0 Discoid lupus erythematosus
       Lupus erythematosus NOS
    L93.1 Subacute cutaneous lupus erythematosus
    L93.2 Other local lupus erythematosus
       Lupus erythematosus profundus
       Lupus panniculitis

## L94 Other localized connective tissue disordersL94 Other localized connective tissue disorders

    Excludes1: systemic connective tissue disorders (M30-M36)
    L94.0 Localized scleroderma [morphea]
       Circumscribed scleroderma
    L94.1 Linear scleroderma
       En coup de sabre lesion
    L94.2 Calcinosis cutis
    L94.3 Sclerodactyly
    L94.4 Gottron's papules
    L94.5 Poikiloderma vasculare atrophicans
    L94.6 Ainhum
    L94.8 Other specified localized connective tissue disorders
    L94.9 Localized connective tissue disorder, unspecified

## L95 Vasculitis limited to skin, not elsewhere classifiedL95 Vasculitis limited to skin, not elsewhere classified

    Excludes1: angioma serpiginosum (L81.7)
       Henoch(-Sch?nlein) purpura (D69.0)
       hypersensitivity angiitis (M31.0)
       lupus panniculitis (L93.2)
       panniculitis NOS (M79.3)
       panniculitis of neck and back (M54.0-)
       polyarteritis nodosa (M30.0)
       relapsing panniculitis (M35.6)
       rheumatoid vasculitis (M05.2)
       serum sickness (T80.6)
       urticaria (L50.-)
       Wegener's granulomatosis (M31.3-)
    L95.0 Livedoid vasculitis
       Atrophie ​blanche (en plaque)
    L95.1 Erythema elevatum diutinum
    L95.8 Other vasculitis limited to the skin
    L95.9 Vasculitis limited to the skin, unspecified

## L97 Non-pressure chronic ulcer of lower limb, not elsewhere classifiedL97 Non-pressure chronic ulcer of lower limb, not elsewhere classified

    Includes: Chronic ulcer of skin NOS
       Non-healing ulcer of skin
       Non-infected sinus of skin
       Trophic ulcer NOS
       Tropical ulcer NOS
       Ulcer of skin NOS
    Code first any associated underlying condition:
    Note: a code from L97 may be used as a principal or first listed code if no underlying condition is documented as the cause of the ulcer. If one of the underlying conditions listed below is documented with a lower extremity ulcer a causal condition should be assumed.
       Atherosclerosis of the lower extremities (I70.23-, I70.24-, I70.33-, I70.34-, I70.43-, I70.44-, I70.53-, I70.54-, I70.63-, I70.64-, I70.73-, I70.74-)
       Chronic venous hypertension (I87.31-, I87.33-)
       Diabetic ulcers (E08.621, E08.622, E09.621, E09.622, E10.621, E10.622, E11.621, E11.622, E13.621, E13.622)
       Postphlebitic syndrome (I87.01-, I87.03-)
       Postthrombotic syndrome (I87.01-, I87.03-)
       Varicose ulcer (I83.0-, I83.2-)
    Code first any associated gangrene (I96)
    Excludes2: pressure ulcer (pressure area) (L89.-)
       skin infections (L00-L08)
       specific infections classified to A00-B99
    L97.1 Non-pressure chronic ulcer of thigh
       L97.10 Non-pressure chronic ulcer of unspecified thigh
          L97.101 Non-pressure chronic ulcer of unspecified thigh limited to breakdown of skin
          L97.102 Non-pressure chronic ulcer of unspecified thigh with fat layer exposed
          L97.103 Non-pressure chronic ulcer of unspecified thigh with necrosis of muscle
          L97.104 Non-pressure chronic ulcer of unspecified thigh with necrosis of bone
          L97.109 Non-pressure chronic ulcer of unspecified thigh with unspecified severity
       L97.11 Non-pressure chronic ulcer of right thigh
          L97. ​111 Non-pressure chronic ulcer of right thigh limited to breakdown of skin
          L97.112 Non-pressure chronic ulcer of right thigh with fat layer exposed
          L97.113 Non-pressure chronic ulcer of right thigh with necrosis of muscle
          L97.114 Non-pressure chronic ulcer of right thigh with necrosis of bone
          L97.119 Non-pressure chronic ulcer of right thigh with unspecified severity
       L97.12 Non-pressure chronic ulcer of left thigh
          L97.121 Non-pressure chronic ulcer of left thigh limited to breakdown of skin
          L97.122 Non-pressure chronic ulcer of left thigh with fat layer exposed
          L97.123 Non-pressure chronic ulcer of left thigh with necrosis of muscle
          L97.124 Non-pressure chronic ulcer of left thigh with necrosis of bone
          L97.129 Non-pressure chronic ulcer of left thigh with unspecified severity
    L97.2 Non-pressure chronic ulcer of calf
       L97.20 Non-pressure chronic ulcer of unspecified calf
          L97.201 Non-pressure chronic ulcer of unspecified calf limited to breakdown of skin
          L97.202 Non-pressure chronic ulcer of unspecified calf with fat layer exposed
          L97.203 Non-pressure chronic ulcer of unspecified calf with necrosis of muscle
          L97.204 Non-pressure chronic ulcer of unspecified calf with necrosis of bone
          L97.209 Non-pressure chronic ulcer of unspecified calf with unspecified severity
       L97.21 Non-pressure chronic ulcer of right calf
          L97.211 Non-pressure chronic ulcer of right calf limited to breakdown of skin
          L97.212 Non-pressure chronic ulcer of right calf with fat layer exposed
          L97.213 Non-pressure chronic ulcer of right calf with necrosis of muscle
          L97.214 Non-pressure chronic ulcer of right calf with necrosis of bone
          L97.219 Non-pressure chronic ulcer of right calf with unspecified severity
       L97.22 Non-pressure chronic ulcer of left calf
          L97. ​221 Non-pressure chronic ulcer of left calf limited to breakdown of skin
          L97.222 Non-pressure chronic ulcer of left calf with fat layer exposed
          L97.223 Non-pressure chronic ulcer of left calf with necrosis of muscle
          L97.224 Non-pressure chronic ulcer of left calf with necrosis of bone
          L97.229 Non-pressure chronic ulcer of left calf with unspecified severity
    L97.3 Non-pressure chronic ulcer of ankle
       L97.30 Non-pressure chronic ulcer of unspecified ankle
          L97.301 Non-pressure chronic ulcer of unspecified ankle limited to breakdown of skin
          L97.302 Non-pressure chronic ulcer of unspecified ankle with fat layer exposed
          L97.303 Non-pressure chronic ulcer of unspecified ankle with necrosis of muscle
          L97.304 Non-pressure chronic ulcer of unspecified ankle with necrosis of bone
          L97.309 Non-pressure chronic ulcer of unspecified ankle with unspecified severity
       L97.31 Non-pressure chronic ulcer of right ankle
          L97.311 Non-pressure chronic ulcer of right ankle limited to breakdown of skin
          L97.312 Non-pressure chronic ulcer of right ankle with fat layer exposed
          L97.313 Non-pressure chronic ulcer of right ankle with necrosis of muscle
          L97.314 Non-pressure chronic ulcer of right ankle with necrosis of bone
          L97.319 Non-pressure chronic ulcer of right ankle with unspecified severity
       L97.32 Non-pressure chronic ulcer of left ankle
          L97.321 Non-pressure chronic ulcer of left ankle limited to breakdown of skin
          L97.322 Non-pressure chronic ulcer of left ankle with fat layer exposed
          L97.323 Non-pressure chronic ulcer of left ankle with necrosis of muscle
          L97.324 Non-pressure chronic ulcer of left ankle with necrosis of bone
          L97.329 Non-pressure chronic ulcer of left ankle with unspecified severity
    L97.4 Non-pressure chronic ulcer of heel and midfoot
       Non​pressure chronic ulcer of plantar surface of midfoot
       L97.40 Non-pressure chronic ulcer of unspecified heel and midfoot
          L97.401 Non-pressure chronic ulcer of unspecified heel and midfoot limited to breakdown of skin
          L97.402 Non-pressure chronic ulcer of unspecified heel and midfoot with fat layer exposed
          L97.403 Non-pressure chronic ulcer of unspecified heel and midfoot with necrosis of muscle
          L97.404 Non-pressure chronic ulcer of unspecified heel and midfoot with necrosis of bone
          L97.409 Non-pressure chronic ulcer of unspecified heel and midfoot with unspecified severity
       L97.41 Non-pressure chronic ulcer of right heel and midfoot
          L97.411 Non-pressure chronic ulcer of right heel and midfoot limited to breakdown of skin
          L97.412 Non-pressure chronic ulcer of right heel and midfoot with fat layer exposed
          L97.413 Non-pressure chronic ulcer of right heel and midfoot with necrosis of muscle
          L97.414 Non-pressure chronic ulcer of right heel and midfoot with necrosis of bone
          L97.419 Non-pressure chronic ulcer of right heel and midfoot with unspecified severity
       L97.42 Non-pressure chronic ulcer of left heel and midfoot
          L97.421 Non-pressure chronic ulcer of left heel and midfoot limited to breakdown of skin
          L97.422 Non-pressure chronic ulcer of left heel and midfoot with fat layer exposed
          L97.423 Non-pressure chronic ulcer of left heel and midfoot with necrosis of muscle
          L97.424 Non-pressure chronic ulcer of left heel and midfoot with necrosis of bone
          L97.429 Non-pressure chronic ulcer of left heel and midfoot with unspecified severity
    L97.5 Non-pressure chronic ulcer of other part of foot
       Non-pressure chronic ulcer of toe
       L97.50 Non-pressure chronic ulcer of other part of unspecified foot
          L97.501 Non-pressure chronic ulcer of other part of unspecified foot limited to breakdown of skin
          L97. ​502 Non-pressure chronic ulcer of other part of unspecified foot with fat layer exposed
          L97.503 Non-pressure chronic ulcer of other part of unspecified foot with necrosis of muscle
          L97.504 Non-pressure chronic ulcer of other part of unspecified foot with necrosis of bone
          L97.509 Non-pressure chronic ulcer of other part of unspecified foot with unspecified severity
       L97.51 Non-pressure chronic ulcer of other part of right foot
          L97.511 Non-pressure chronic ulcer of other part of right foot limited to breakdown of skin
          L97.512 Non-pressure chronic ulcer of other part of right foot with fat layer exposed
          L97.513 Non-pressure chronic ulcer of other part of right foot with necrosis of muscle
          L97.514 Non-pressure chronic ulcer of other part of right foot with necrosis of bone
          L97.519 Non-pressure chronic ulcer of other part of right foot with unspecified severity
       L97.52 Non-pressure chronic ulcer of other part of left foot
          L97.521 Non-pressure chronic ulcer of other part of left foot limited to breakdown of skin
          L97.522 Non-pressure chronic ulcer of other part of left foot with fat layer exposed
          L97.523 Non-pressure chronic ulcer of other part of left foot with necrosis of muscle
          L97.524 Non-pressure chronic ulcer of other part of left foot with necrosis of bone
          L97.529 Non-pressure chronic ulcer of other part of left foot with unspecified severity
    L97.8 Non-pressure chronic ulcer of other part of lower leg
       L97.80 Non-pressure chronic ulcer of other part of unspecified lower leg
          L97.801 Non-pressure chronic ulcer of other part of unspecified lower leg limited to breakdown of skin
          L97.802 Non-pressure chronic ulcer of other part of unspecified lower leg with fat layer exposed
          L97.803 Non-pressure chronic ulcer of other part of unspecified lower leg with necrosis of muscle
          L97.804 Non-pressure chronic ulcer of other part of unspecified lower leg with necrosis of bone
          L97. ​809 Non-pressure chronic ulcer of other part of unspecified lower leg with unspecified severity
       L97.81 Non-pressure chronic ulcer of other part of right lower leg
          L97.811 Non-pressure chronic ulcer of other part of right lower leg limited to breakdown of skin
          L97.812 Non-pressure chronic ulcer of other part of right lower leg with fat layer exposed
          L97.813 Non-pressure chronic ulcer of other part of right lower leg with necrosis of muscle
          L97.814 Non-pressure chronic ulcer of other part of right lower leg with necrosis of bone
          L97.819 Non-pressure chronic ulcer of other part of right lower leg with unspecified severity
       L97.82 Non-pressure chronic ulcer of other part of left lower leg
          L97.821 Non-pressure chronic ulcer of other part of left lower leg limited to breakdown of skin
          L97.822 Non-pressure chronic ulcer of other part of left lower leg with fat layer exposed
          L97.823 Non-pressure chronic ulcer of other part of left lower leg with necrosis of muscle
          L97.824 Non-pressure chronic ulcer of other part of left lower leg with necrosis of bone
          L97.829 Non-pressure chronic ulcer of other part of left lower leg with unspecified severity
    L97.9 Non-pressure chronic ulcer of unspecified part of lower leg
       L97.90 Non-pressure chronic ulcer of unspecified part of unspecified lower leg
          L97.901 Non-pressure chronic ulcer of unspecified part of unspecified lower leg limited to breakdown of skin
          L97.902 Non-pressure chronic ulcer of unspecified part of unspecified lower leg with fat layer exposed
          L97.903 Non-pressure chronic ulcer of unspecified part of unspecified lower leg with necrosis of muscle
          L97.904 Non-pressure chronic ulcer of unspecified part of unspecified lower leg with necrosis of bone
          L97.909 Non-pressure chronic ulcer of unspecified part of unspecified lower leg with unspecified severity
       L97. ​91 Non-pressure chronic ulcer of unspecified part of right lower leg
          L97.911 Non-pressure chronic ulcer of unspecified part of right lower leg limited to breakdown of skin
          L97.912 Non-pressure chronic ulcer of unspecified part of right lower leg with fat layer exposed
          L97.913 Non-pressure chronic ulcer of unspecified part of right lower leg with necrosis of muscle
          L97.914 Non-pressure chronic ulcer of unspecified part of right lower leg with necrosis of bone
          L97.919 Non-pressure chronic ulcer of unspecified part of right lower leg with unspecified severity
       L97.92 Non-pressure chronic ulcer of unspecified part of left lower leg
          L97.921 Non-pressure chronic ulcer of unspecified part of left lower leg limited to breakdown of skin
          L97.922 Non-pressure chronic ulcer of unspecified part of left lower leg with fat layer exposed
          L97.923 Non-pressure chronic ulcer of unspecified part of left lower leg with necrosis of muscle
          L97.924 Non-pressure chronic ulcer of unspecified part of left lower leg with necrosis of bone
          L97.929 Non-pressure chronic ulcer of unspecified part of left lower leg with unspecified severity

## L98 Other disorders of skin and subcutaneous tissue, not elsewhere classifiedL98 Other disorders of skin and subcutaneous tissue, not elsewhere classified

    L98.0 Pyogenic granuloma
       Excludes2: pyogenic granuloma of gingiva (K06.8)
          pyogenic granuloma of maxillary alveolar ridge (K04.5)
          pyogenic granuloma of oral mucosa (K13.4)
    L98.1 Factitial dermatitis
       Neurotic excoriation
    L98.2 Febrile neutrophilic dermatosis [Sweet]
    L98.3 Eosinophilic cellulitis [Wells]
    L98.4 Non-pressure chronic ulcer of skin, not elsewhere classified
       Chronic ulcer of skin NOS
       Tropical ulcer NOS
       Ulcer of skin NOS
       Excludes2: pressure ulcer (pressure area) (L89.-)
          gangrene ( ​I96)
          skin infections (L00-L08)
          specific infections classified to A00-B99
          ulcer of lower limb NEC (L97.-)
          varicose ulcer (I83.0-I82.2)
       L98.41 Non-pressure chronic ulcer of buttock
          L98.411 Non-pressure chronic ulcer of buttock limited to breakdown of skin
          L98.412 Non-pressure chronic ulcer of buttock with fat layer exposed
          L98.413 Non-pressure chronic ulcer of buttock with necrosis of muscle
          L98.414 Non-pressure chronic ulcer of buttock with necrosis of bone
          L98.419 Non-pressure chronic ulcer of buttock with unspecified severity
       L98.42 Non-pressure chronic ulcer of back
          L98.421 Non-pressure chronic ulcer of back limited to breakdown of skin
          L98.422 Non-pressure chronic ulcer of back with fat layer exposed
          L98.423 Non-pressure chronic ulcer of back with necrosis of muscle
          L98.424 Non-pressure chronic ulcer of back with necrosis of bone
          L98.429 Non-pressure chronic ulcer of back with unspecified severity
       L98.49 Non-pressure chronic ulcer of skin of other sites
          Non-pressure chronic ulcer of skin NOS
          L98.491 Non-pressure chronic ulcer of skin of other sites limited to breakdown of skin
          L98.492 Non-pressure chronic ulcer of skin of other sites with fat layer exposed
          L98.493 Non-pressure chronic ulcer of skin of other sites with necrosis of muscle
          L98.494 Non-pressure chronic ulcer of skin of other sites with necrosis of bone
          L98.499 Non-pressure chronic ulcer of skin of other sites with unspecified severity
    L98.5 Mucinosis of the skin
       Focal mucinosis
       Lichen myxedematosus
       Excludes1: focal oral mucinosis (K13.79)
          myxedema (E03.9)
    L98. ​6 Other infiltrative disorders of the skin and subcutaneous tissue
       Excludes1: hyalinosis cutis et mucosae (E78.89)
    L98.8 Other specified disorders of the skin and subcutaneous tissue
    L98.9 Disorder of the skin and subcutaneous tissue, unspecified

## L99 Other disorders of skin and subcutaneous tissue in diseases classified elsewhereL99 Other disorders of skin and subcutaneous tissue in diseases classified elsewhere

    Code first underlying disease, such as:
       amyloidosis (E85.-)
    Excludes1: skin disorders in diabetes (E08-E13 with .62)
       skin disorders in gonorrhea (A54.89)
       skin disorders in syphilis (A51.31, A52.79)