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.
Official description
L24Irritant contact dermatitis
ICD-10-CM diagnosis code · United States clinical modification
Where L24 sits
- 1
Chapter 12
Diseases of the skin and subcutaneous tissue (L00-L99)
- 2
Section
Dermatitis and eczema (L20-L30)
- 3
Category L24
Irritant contact dermatitis
- 4
Code L24
Irritant contact dermatitis
Codes under L24
L24 is a non-billable category. Choose the child code that best matches the documented diagnosis.
L24.0Irritant contact dermatitis due to detergentsL24.1Irritant contact dermatitis due to oils and greasesL24.2Irritant contact dermatitis due to solventsL24.3Irritant contact dermatitis due to cosmeticsL24.4Irritant contact dermatitis due to drugs in contact with skinL24.5Irritant contact dermatitis due to other chemical productsL24.6Irritant contact dermatitis due to food in contact with skinL24.7Irritant contact dermatitis due to plants, except foodL24.8Irritant contact dermatitis due to other agentsL24.9Irritant contact dermatitis, unspecified causeL24.AIrritant contact dermatitis due to friction or contact with body fluidsL24.BIrritant contact dermatitis related to stoma or fistulaNotes 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)
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.
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).