D21.12 — Benign neoplasm of connective and other soft tissue of left upper limb, including shoulder
D21.12 is a billable, specific ICD-10-CM code for benign neoplasm of connective and other soft tissue of left upper limb, including shoulder. It is valid for submission on a claim.
Risk adjustment
D21.12 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
D21.12 is named in 8 Medicare coverage policies — 8 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A56346Billing and Coding: Removal of Benign and Malignant Skin Lesions
- A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax
- A56695Billing and Coding: Implantable Infusion Pump
- A56787Billing and Coding: Nonvascular Extremity Ultrasound
Code history
D21.12 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 D21.1. If D21.12 is not quite right, the correct code is usually one of these.
Questions about D21.12
- Is D21.12 a billable ICD-10-CM code?
- Yes. D21.12 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does D21.12 sit in the tabular list?
- Neoplasms (C00-D49), in the block Benign neoplasms, except benign neuroendocrine tumors (D10-D36).