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L30.0

L30.0: Nummular dermatitis

Billable / specific codeICD-10-CM

L30.0 is a billable, specific ICD-10-CM code for nummular dermatitis. It is valid for submission on a claim.

Check L30.0 with the rest of the claim: free scrubber

Excludes2 inherited from the categories above L30.0

Not part of this code, but both may be coded when both are present.

Written on L30: Other and unspecified dermatitis

  • contact dermatitis (L23-L25)
  • dry skin dermatitis (L85.3)
  • small plaque parapsoriasis (L41.3)
  • stasis dermatitis (I87.2)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

L30.0 is named in 12 Medicare coverage policies: 12 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56459Billing and Coding: Debridement Services
  • A57044Billing and Coding: Removal of Benign Skin Lesions
  • A60360Billing and Coding: Allergy Diagnostic Testing
  • A60361Billing and Coding: Allergy Diagnostic Testing

Alphabetic index entries that lead here

  • Dermatitis›nummular

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under L30

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.