D16.21
D16.21 — Benign neoplasm of long bones of right lower limb
Billable / specific codeICD-10-CMright
D16.21 is a billable, specific ICD-10-CM code for benign neoplasm of long bones of right lower limb. It is valid for submission on a claim.
Risk adjustment
D16.21 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
D16.21 is named in 20 Medicare coverage policies — 20 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A55315Billing and Coding: Proton Beam Therapy
- A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax
- A56695Billing and Coding: Implantable Infusion Pump
- A56777Billing and Coding: Total Joint Arthroplasty
Related codes at this level
Codes that share D16.2. If D16.21 is not quite right, the correct code is usually one of these.
Questions about D16.21
- Is D16.21 a billable ICD-10-CM code?
- Yes. D16.21 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does D16.21 sit in the tabular list?
- Neoplasms (C00-D49), in the block Benign neoplasms, except benign neuroendocrine tumors (D10-D36).