C44.520
C44.520 — Squamous cell carcinoma of anal skin
Billable / specific codeICD-10-CM
C44.520 is a billable, specific ICD-10-CM code for squamous cell carcinoma 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.
- Squamous cell carcinoma of anal margin
- Squamous cell carcinoma of perianal skin
Risk adjustment
C44.520 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
C44.520 is named in 74 Medicare coverage policies — 70 listing it as supporting medical necessity, and 4 listing it as NOT covered. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A59380Billing and Coding: MolDX: Molecular Biomarker Testing for Risk Stratification of Cutaneous Squamous Cell Carcinomanot covered
- A59382Billing and Coding: MolDX: Molecular Biomarker Testing for Risk Stratification of Cutaneous Squamous Cell Carcinomanot covered
- A59386Billing and Coding: MolDX: Molecular Biomarker Testing for Risk Stratification of Cutaneous Squamous Cell Carcinomanot covered
- A59429Billing and Coding: MolDX: Molecular Biomarker Testing for Risk Stratification of Cutaneous Squamous Cell Carcinomanot covered
Related codes at this level
Codes that share C44.52. If C44.520 is not quite right, the correct code is usually one of these.
Questions about C44.520
- Is C44.520 a billable ICD-10-CM code?
- Yes. C44.520 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does C44.520 sit in the tabular list?
- Neoplasms (C00-D49), in the block Melanoma and other malignant neoplasms of skin (C43-C44).