L25 – Unspecified contact dermatitis

ICD-10-CM 2027 diagnosis code · Dermatitis and eczema

Non-billable header

ICD-10-CM code L25

Code: L25 (claims format: L25)
Description: Unspecified contact dermatitis
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 12. Diseases of the skin and subcutaneous tissue (L00-L99)
Block: L20-L30 Dermatitis and eczema

Billable codes under L25

L25 is a header code and cannot be used on claims. Choose the most specific code:

Notes for L25

Excludes1 (not coded here):

allergic contact dermatitis (L23.-)
allergy NOS (T78.40)
dermatitis NOS (L30.9)
irritant contact dermatitis (L24.-)

Excludes2 (not included here):

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)

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Block L20-L30

Excludes2 (not included here):

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.

Frequently asked questions

What is ICD-10 code L25?

L25 is the ICD-10-CM code for unspecified contact dermatitis, in the block L20-L30 (Dermatitis and eczema).

Is L25 a billable code?

No. L25 is a header code with more specific child codes; report one of the billable codes listed above.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.