L25
ICD-10Non-billable categoryUnspecified contact dermatitis
Official ICD-10-CM descriptor (FY2026)
Unspecified contact dermatitis
L25 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- allergic contact dermatitis (L23.-)
- allergy NOS (T78.40)
- dermatitis NOS (L30.9)
- irritant contact dermatitis (L24.-)
Excludes2
Not included here. The condition is not part of this code, but a patient may have both, and both codes may be reported together.
- 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)
More specific codes under L25
- L25.0Unspecified contact dermatitis due to cosmetics
- L25.1Unsp contact dermatitis due to drugs in contact with skin
- L25.2Unspecified contact dermatitis due to dyes
- L25.3Unsp contact dermatitis due to other chemical products
- L25.4Unsp contact dermatitis due to food in contact with skin
- L25.5Unspecified contact dermatitis due to plants, except food
- L25.8Unspecified contact dermatitis due to other agents
- L25.9Unspecified contact dermatitis, unspecified cause
Where this code sits
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.