C66.9
C66.9 — Malignant neoplasm of unspecified ureter
Billable / specific codeICD-10-CM
C66.9 is a billable, specific ICD-10-CM code for malignant neoplasm of unspecified ureter. It is valid for submission on a claim.
Risk adjustment
C66.9 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 22 Bladder, Colorectal, and Other Cancers0.363 RAF
Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.
Medicare coverage
C66.9 is named in 37 Medicare coverage policies — 37 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A52450Billing and Coding: Paclitaxel (e.g., Taxol®/Abraxane ™)
- A52450Billing and Coding: Paclitaxel (e.g., Taxol®/Abraxane ™)
- A52479Oral Anticancer Drugs - Policy Article
- A52479Oral Anticancer Drugs - Policy Article
Related codes at this level
Codes that share C66. If C66.9 is not quite right, the correct code is usually one of these.
Questions about C66.9
- Is C66.9 a billable ICD-10-CM code?
- Yes. C66.9 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does C66.9 sit in the tabular list?
- Neoplasms (C00-D49), in the block Malignant neoplasms of urinary tract (C64-C68).