MCMCB Pro
L54

L54Erythema in diseases classified elsewhere

Billable / specific codeICD-10-CM

L54 is a billable, specific ICD-10-CM code for erythema in diseases classified elsewhere. It is valid for submission on a claim.

Code first

The underlying condition must be sequenced before this code.

  • underlying disease.

Risk adjustment

L54 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

L54 is named in 11 Medicare coverage policies 11 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A56587Billing and Coding: Cosmetic and Reconstructive Surgery
  • A56658Billing and Coding: Cosmetic and Reconstructive Surgery
  • A56837Billing and Coding: Reduction Mammaplasty
  • A57044Billing and Coding: Removal of Benign Skin Lesions

How L54 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to L54.

  • Erythema, erythematousin diseases classified elsewhere

Questions about L54

Is L54 a billable ICD-10-CM code?
Yes. L54 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does L54 sit in the tabular list?
Diseases of the skin and subcutaneous tissue (L00-L99), in the block Urticaria and erythema (L49-L54).
ICD-10-CMFY2026-Apr· effective April 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.