D09.9
D09.9 — Carcinoma in situ, unspecified
Billable / specific codeICD-10-CM
D09.9 is a billable, specific ICD-10-CM code for carcinoma in situ, unspecified. It is valid for submission on a claim.
Risk adjustment
D09.9 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
D09.9 is named in 5 Medicare coverage policies — 5 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A57788Billing and Coding: Peripheral Nerve Blocks
- A57788Billing and Coding: Peripheral Nerve Blocks
- A58652Billing and Coding: MolDX: Lab-Developed Tests for Inherited Cancer Syndromes in Patients with Cancer
- A58679Billing and Coding: MolDX: Lab-Developed Tests for Inherited Cancer Syndromes in Patients with Cancer
Related codes at this level
Codes that share D09. If D09.9 is not quite right, the correct code is usually one of these.
Questions about D09.9
- Is D09.9 a billable ICD-10-CM code?
- Yes. D09.9 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does D09.9 sit in the tabular list?
- Neoplasms (C00-D49), in the block In situ neoplasms (D00-D09).