D09.21
D09.21 — Carcinoma in situ of right eye
Billable / specific codeICD-10-CMright
D09.21 is a billable, specific ICD-10-CM code for carcinoma in situ of right eye. It is valid for submission on a claim.
Risk adjustment
D09.21 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
D09.21 is named in 25 Medicare coverage policies — 25 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A52480Oral Antiemetic Drugs (Replacement for Intravenous Antiemetics) - Policy Article
- A53060Billing and Coding: Ophthalmology: Extended Ophthalmoscopy and Fundus Photography
- A54768Billing and Coding: Cardiac Blood Pool Imaging (Multiple Gated Acquisition Scanning- MUGA, Ventriculography) When Performed in Conjunction with Cardiotoxic Chemotherapy
- A56551Billing and Coding: Visual Fields Testing
Related codes at this level
Codes that share D09.2. If D09.21 is not quite right, the correct code is usually one of these.
Questions about D09.21
- Is D09.21 a billable ICD-10-CM code?
- Yes. D09.21 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does D09.21 sit in the tabular list?
- Neoplasms (C00-D49), in the block In situ neoplasms (D00-D09).