U.S. ICD-10-CM · FY 2027

L24 ICD-10-CM Code: Irritant contact dermatitis

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

L24

Irritant contact dermatitis

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where L24 sits

  1. 1

    Chapter 12

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

  2. 2

    Section

    Dermatitis and eczema (L20-L30)

  3. 3

    Category L24

    Irritant contact dermatitis

  4. 4

    Code L24

    Irritant contact dermatitis

More specific choices

Codes under L24

L24 is a non-billable category. Choose the child code that best matches the documented diagnosis.

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 agents

L24.9

Irritant contact dermatitis, unspecified cause

L24.A

Irritant contact dermatitis due to friction or contact with body fluids

L24.B

Irritant contact dermatitis related to stoma or fistula

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for L24.

Code first

No “code first” instruction is listed for L24.

Use additional code

No “use additional code” instruction is listed for L24.

Excludes1

Conditions that should not be reported together with this code.

  • allergy NOS (T78.40)
  • contact dermatitis NOS (L25.9)
  • dermatitis NOS (L30.9)

Excludes2

Conditions not included here that may be reported separately when 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)

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

Publisher

Vero Scribe Inc.

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code L24 mean?

L24 is the FY 2027 U.S. ICD-10-CM code for “Irritant contact dermatitis.”

Is L24 a billable or specific ICD-10-CM code?

No. L24 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is L24 located in ICD-10-CM?

L24 is listed in Chapter 12, Diseases of the skin and subcutaneous tissue (L00-L99), within Dermatitis and eczema (L20-L30) (L20–L30), under category L24, Irritant contact dermatitis.

What coding notes are listed for L24?

No inclusion terms are listed for L24 in this reference record. No code-first instruction is listed. Excludes1 notes: allergy NOS (T78.40); contact dermatitis NOS (L25.9); dermatitis NOS (L30.9). Excludes2 notes: 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).

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