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C44.791

C44.791Other specified malignant neoplasm of skin of unspecified lower limb, including hip

Billable / specific codeICD-10-CMunspecified

C44.791 is a billable, specific ICD-10-CM code for other specified malignant neoplasm of skin of unspecified lower limb, including hip. It is valid for submission on a claim.

Risk adjustment

C44.791 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

C44.791 is named in 35 Medicare coverage policies 35 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 C44.79. If C44.791 is not quite right, the correct code is usually one of these.

Questions about C44.791

Is C44.791 a billable ICD-10-CM code?
Yes. C44.791 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does C44.791 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.