Dermatitis and eczema (L20-L30)
In this block the terms dermatitis and eczema are used synonymously and interchangeably.
L20Atopic dermatitis
L20.0Besnier's prurigo
L20.8Other atopic dermatitis
Excludes 2: circumscribed neurodermatitis (L28.0)
L20.81Atopic neurodermatitis
› Diffuse neurodermatitis
L20.82Flexural eczema
L20.83Infantile (acute) (chronic) eczema
L20.84Intrinsic (allergic) eczema
L20.89Other atopic dermatitis
L20.9Atopic dermatitis, unspecified
L21Seborrheic dermatitis
Excludes 2: infective dermatitis (L30.3)
› seborrheic keratosis (L82.-)
L21.0Seborrhea capitis
› Cradle cap
L21.1Seborrheic infantile dermatitis
L21.8Other seborrheic dermatitis
L21.9Seborrheic dermatitis, unspecified
› Seborrhea NOS
L22Diaper dermatitis
› Diaper erythema
› Diaper rash
› Psoriasiform diaper rash
L23Allergic contact dermatitis
Excludes 1: allergy NOS (T78.40)
› contact dermatitis NOS (L25.9)
› dermatitis NOS (L30.9)
Excludes 2: 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)
L23.0Allergic contact dermatitis due to metals
› Allergic contact dermatitis due to chromium
› Allergic contact dermatitis due to nickel
L23.1Allergic contact dermatitis due to adhesives
L23.2Allergic contact dermatitis due to cosmetics
L23.3Allergic contact dermatitis due to drugs in contact with skin
Use Additional Code: code for adverse effect, if applicable, to identify drug (T36-T50) with fifth or sixth character 5)
Excludes 2: dermatitis due to ingested drugs and medicaments (L27.0-L27.1)
L23.4Allergic contact dermatitis due to dyes
L23.5Allergic 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
L23.6Allergic contact dermatitis due to food in contact with the skin
Excludes 2: dermatitis due to ingested food (L27.2)
L23.7Allergic contact dermatitis due to plants, except food
Excludes 2: allergy NOS due to pollen (J30.1)
L23.8Allergic contact dermatitis due to other agents
L23.81Allergic contact dermatitis due to animal (cat) (dog) dander
› Allergic contact dermatitis due to animal (cat) (dog) hair
L23.89Allergic contact dermatitis due to other agents
L23.9Allergic contact dermatitis, unspecified cause
› Allergic contact eczema NOS
L24Irritant contact dermatitis
Excludes 1: allergy NOS (T78.40)
› contact dermatitis NOS (L25.9)
› dermatitis NOS (L30.9)
Excludes 2: 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)
L24.0Irritant contact dermatitis due to detergents
L24.1Irritant contact dermatitis due to oils and greases
L24.2Irritant 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
L24.3Irritant contact dermatitis due to cosmetics
L24.4Irritant contact dermatitis due to drugs in contact with skin
Use Additional Code: code for adverse effect, if applicable, to identify drug (T36-T50) with fifth or sixth character 5)
L24.5Irritant 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
L24.6Irritant contact dermatitis due to food in contact with skin
Excludes 2: dermatitis due to ingested food (L27.2)
L24.7Irritant contact dermatitis due to plants, except food
Excludes 2: allergy NOS to pollen (J30.1)
L24.8Irritant contact dermatitis due to other agents
L24.81Irritant contact dermatitis due to metals
› Irritant contact dermatitis due to chromium
› Irritant contact dermatitis due to nickel
L24.89Irritant contact dermatitis due to other agents
› Irritant contact dermatitis due to dyes
L24.9Irritant contact dermatitis, unspecified cause
› Irritant contact eczema NOS
L24.AIrritant contact dermatitis due to friction or contact with body fluids
Excludes 1: irritant contact dermatitis related to stoma or fistula (L24.B-)
Excludes 2: erythema intertrigo (L30.4)
L24.A0Irritant contact dermatitis due to friction or contact with body fluids, unspecified
L24.A1Irritant contact dermatitis due to saliva
L24.A2Irritant contact dermatitis due to fecal, urinary or dual incontinence
Excludes 1: diaper dermatitis (L22)
L24.A9Irritant contact dermatitis due friction or contact with other specified body fluids
› Irritant contact dermatitis related to endotracheal tube
› Wound fluids, exudate
L24.BIrritant contact dermatitis related to stoma or fistula
Use Additional Code: code to identify any artificial opening status (Z93.-), if applicable, for contact dermatitis related to stoma secretions
L24.B0Irritant contact dermatitis related to unspecified stoma or fistula
› Irritant contact dermatitis related to fistula NOS
› Irritant contact dermatitis related to stoma NOS
L24.B1Irritant contact dermatitis related to digestive stoma or fistula
› Irritant contact dermatitis related to gastrostomy
› Irritant contact dermatitis related to jejunostomy
› Irritant contact dermatitis related to saliva or spit fistula
L24.B2Irritant contact dermatitis related to respiratory stoma or fistula
› Irritant contact dermatitis related to tracheostomy
L24.B3Irritant contact dermatitis related to fecal or urinary stoma or fistula
› Irritant contact dermatitis related to colostomy
› Irritant contact dermatitis related to enterocutaneous fistula
› Irritant contact dermatitis related to ileostomy
L25Unspecified contact dermatitis
Excludes 1: allergic contact dermatitis (L23.-)
› allergy NOS (T78.40)
› dermatitis NOS (L30.9)
› irritant contact dermatitis (L24.-)
Excludes 2: 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)
L25.0Unspecified contact dermatitis due to cosmetics
L25.1Unspecified contact dermatitis due to drugs in contact with skin
Use Additional Code: code for adverse effect, if applicable, to identify drug (T36-T50) with fifth or sixth character 5)
Excludes 2: dermatitis due to ingested drugs and medicaments (L27.0-L27.1)
L25.2Unspecified contact dermatitis due to dyes
L25.3Unspecified contact dermatitis due to other chemical products
› Unspecified contact dermatitis due to cement
› Unspecified contact dermatitis due to insecticide
L25.4Unspecified contact dermatitis due to food in contact with skin
Excludes 2: dermatitis due to ingested food (L27.2)
L25.5Unspecified contact dermatitis due to plants, except food
Excludes 1: nettle rash (L50.9)
Excludes 2: allergy NOS due to pollen (J30.1)
L25.8Unspecified contact dermatitis due to other agents
L25.9Unspecified contact dermatitis, unspecified cause
› Contact dermatitis (occupational) NOS
› Contact eczema (occupational) NOS
L26Exfoliative dermatitis
› Hebra's pityriasis
Excludes 1: Ritter's disease (L00)
L27Dermatitis due to substances taken internally
Excludes 1: allergy NOS (T78.40)
Excludes 2: 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.-)
L27.0Generalized skin eruption due to drugs and medicaments taken internally
Use Additional Code: code for adverse effect, if applicable, to identify drug (T36-T50) with fifth or sixth character 5)
L27.1Localized skin eruption due to drugs and medicaments taken internally
Use Additional Code: code for adverse effect, if applicable, to identify drug (T36-T50) with fifth or sixth character 5)
L27.2Dermatitis due to ingested food
Excludes 2: dermatitis due to food in contact with skin (L23.6, L24.6, L25.4)
L27.8Dermatitis due to other substances taken internally
L27.9Dermatitis due to unspecified substance taken internally
L28Lichen simplex chronicus and prurigo
L28.0Lichen simplex chronicus
› Circumscribed neurodermatitis
› Lichen NOS
L28.1Prurigo nodularis
L28.2Other prurigo
› Prurigo NOS
› Prurigo Hebra
› Prurigo mitis
› Urticaria papulosa
L29Pruritus
Excludes 1: neurotic excoriation (L98.1)
› psychogenic pruritus (F45.8)
L29.0Pruritus ani
L29.1Pruritus scroti
L29.2Pruritus vulvae
L29.3Anogenital pruritus, unspecified
L29.8Other pruritus
L29.9Pruritus, unspecified
› Itch NOS
L30Other and unspecified dermatitis
Excludes 2: contact dermatitis (L23-L25)
› dry skin dermatitis (L85.3)
› small plaque parapsoriasis (L41.3)
› stasis dermatitis (I87.2)
L30.0Nummular dermatitis
L30.1Dyshidrosis [pompholyx]
L30.2Cutaneous autosensitization
› Candidid [levurid]
› Dermatophytid
› Eczematid
L30.3Infective dermatitis
› Infectious eczematoid dermatitis
L30.4Erythema intertrigo
L30.5Pityriasis alba
L30.8Other specified dermatitis
L30.9Dermatitis, unspecified
› Eczema NOS