Coding and coverage · ICD-10-CM

L24 Irritant contact dermatitis

Not billable (header)Chapter 12

Report one of the more specific codes below.

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Codes under this one

  • 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
  • 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
  • L24.6 Irritant contact dermatitis due to food in contact with skin
  • L24.7 Irritant contact dermatitis due to plants, except food
  • L24.8 Irritant contact dermatitis due to other agentsHeader
  • L24.9 Irritant contact dermatitis, unspecified cause
  • L24.A Irritant contact dermatitis due to friction or contact with body fluidsHeader
  • L24.B Irritant contact dermatitis related to stoma or fistulaHeader

Instructional notes

Chapter 12

Excludes2Not included here: the patient may have both; report both when both are present.
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • lipomelanotic reticulosis (I89.8)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • systemic connective tissue disorders (M30-M36)
  • viral warts (B07.-)

Section L20-L30

Excludes2Not included here: the patient may have both; report both when both are present.
  • chronic (childhood) granulomatous disease (D71-)
  • dermatitis gangrenosa (L08.0)
  • 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 (I87.2)
Notes
  • In this block the terms dermatitis and eczema are used synonymously and interchangeably.

This code

Excludes1Not coded here: never report with this code, except when the two conditions are unrelated.
Excludes2Not included here: the patient may have both; report both when both are present.
  • 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)

Chapter 12: Diseases of the skin and subcutaneous tissue · L20-L30 Dermatitis and eczema (L20-L30)

Source: ICD-10-CM FY 2027 code descriptions and tabular list (CMS and CDC National Center for Health Statistics), effective 2026-10-01 through 2027-09-30 · CMS ICD-10 files. HCC mapping: CMS-HCC V28, payment year 2027. As of 2026-11-04.

Coverage and payment depend on the claim details; confirm with the Medicare Administrative Contractor.