All ICD10 Codes
L25Not billable, use a more specific code below

Unspecified contact dermatitis

In Dermatitis and eczema (L20-L30), chapter 12: Diseases of the Skin and Subcutaneous Tissue

8 billable codes under L25: none are a CC or MCC; none map to an HCC.

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Instructional notes

Excludes1: not coded here, use a different code

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

Excludes2: not included here, code separately if applicable

  • 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)

Also applies, from Dermatitis and eczema (L20-L30)

These notes sit on L20-L30 and apply to every code under it, including L25.

Excludes2: not included here, code separately if applicable

  • 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)

Official coding guidelines

From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.

Covers assigning pressure ulcer codes by site and stage, including unstageable, healing, healed, and progressing ulcers, and coding healing or progressing non-pressure chronic ulcers.

Read Section I.C.12 (page 58)

All codes under L25

L25 can't be used on a claim. Pick a billable code below; grey headings group them.

L25 MS-DRGs

As the principal diagnosis, all 8 billable codes under L25 group to MS-DRG 606 or 607 (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.

Other codes that refer to L25

Notes on these codes point to L25.

  • F54 Code First: dermatitis (L23-L25)
  • L27 Excludes2: contact dermatitis (L23-L25)
  • L30 Excludes2: contact dermatitis (L23-L25)
  • L53 Excludes1: erythema due to external agents in contact with skin (L23-L25)
  • T36-T50 Code First: contact dermatitis (L23-L25)
  • T78.4 Excludes1: dermatitis (L23-L25, L27.-)

About the condition

Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.

Rashes

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.

Read more about rashes on MedlinePlus

Code history

Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.