C44.721 — Squamous cell carcinoma of skin of unspecified lower limb, including hip
C44.721 is a billable, specific ICD-10-CM code for squamous cell carcinoma of skin of unspecified lower limb, including hip. It is valid for submission on a claim.
Risk adjustment
C44.721 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
C44.721 is named in 39 Medicare coverage policies — 35 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
Code history
C44.721 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.
Related codes at this level
Codes that share C44.72. If C44.721 is not quite right, the correct code is usually one of these.
Questions about C44.721
- Is C44.721 a billable ICD-10-CM code?
- Yes. C44.721 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does C44.721 sit in the tabular list?
- Neoplasms (C00-D49), in the block Melanoma and other malignant neoplasms of skin (C43-C44).