MCMCB Pro
C44.399

C44.399Other specified malignant neoplasm of skin of other parts of face

Billable / specific codeICD-10-CM

C44.399 is a billable, specific ICD-10-CM code for other specified malignant neoplasm of skin of other parts of face. It is valid for submission on a claim.

Risk adjustment

C44.399 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

C44.399 is named in 77 Medicare coverage policies 77 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

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Related codes at this level

Codes that share C44.39. If C44.399 is not quite right, the correct code is usually one of these.

Questions about C44.399

Is C44.399 a billable ICD-10-CM code?
Yes. C44.399 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does C44.399 sit in the tabular list?
Neoplasms (C00-D49), in the block Melanoma and other malignant neoplasms of skin (C43-C44).
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.