L25

Non-billable

Unspecified contact dermatitis

L25 is the ICD-10-CM code for Unspecified contact dermatitis. It is a non-billable category code — use a more specific child code such as L25.0 for billing.

Status
Header (non-billable)
Chapter
L00-L99
Subcodes
8
Edition
FY2026

L00-L99 Diseases of the skin and subcutaneous tissue

What this means — in plain language

MedlinePlus · NIH

A rash is an area of irritated or swollen skin. Many rashes are itchy, red, painful, and irritated. Some rashes can also lead to blisters or patches of raw skin. Rashes are a symptom of many different medical problems. Other causes include irritating substances and allergies. Certain genes can make people more likely to get rashes. Contact dermatitis is a common type of rash. It causes redness, itching, and…

Read more about Rashes at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

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)

Medications indicated for this condition

FDA labeling

Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.

Conditions mapped to this code

MedlinePlus · NIH

Plain-language health-topic references grounded in MedlinePlus (NIH/NLM).

Frequently asked questions

What is ICD-10 code L25?
L25 is the ICD-10-CM code for "Unspecified contact dermatitis". It falls under L00-L99 Diseases of the skin and subcutaneous tissue.
Is L25 a billable code?
No — L25 is a non-billable header code. Use a more specific child code (such as L25.0) for billing.
What are the subcodes of L25?
L25 has 8 more specific child codes, including L25.0, L25.1, L25.2.
What is excluded from L25?
Excludes1 (not coded here): allergic contact dermatitis (L23.-); allergy NOS (T78.40); dermatitis NOS (L30.9); irritant contact dermatitis (L24.-).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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