C44.500
C44.500 — Unspecified malignant neoplasm of anal skin
Billable / specific codeICD-10-CM
C44.500 is a billable, specific ICD-10-CM code for unspecified malignant neoplasm of anal skin. It is valid for submission on a claim.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Unspecified malignant neoplasm of anal margin
- Unspecified malignant neoplasm of perianal skin
Risk adjustment
C44.500 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
C44.500 is named in 49 Medicare coverage policies — 49 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A52450Billing and Coding: Paclitaxel (e.g., Taxol®/Abraxane ™)
- A52479Oral Anticancer Drugs - Policy Article
- A52480Oral Antiemetic Drugs (Replacement for Intravenous Antiemetics) - Policy Article
- A54768Billing and Coding: Cardiac Blood Pool Imaging (Multiple Gated Acquisition Scanning- MUGA, Ventriculography) When Performed in Conjunction with Cardiotoxic Chemotherapy
Related codes at this level
Codes that share C44.50. If C44.500 is not quite right, the correct code is usually one of these.
Questions about C44.500
- Is C44.500 a billable ICD-10-CM code?
- Yes. C44.500 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does C44.500 sit in the tabular list?
- Neoplasms (C00-D49), in the block Melanoma and other malignant neoplasms of skin (C43-C44).