MCMCB Pro
C55

C55Malignant neoplasm of uterus, part unspecified

Billable / specific codeICD-10-CM

C55 is a billable, specific ICD-10-CM code for malignant neoplasm of uterus, part unspecified. It is valid for submission on a claim.

Risk adjustment

C55 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

  • HCC 23 Prostate, Breast, and Other Cancers and Tumors0.186 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

C55 is named in 52 Medicare coverage policies 52 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

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  • A52986Billing and Coding: Biomarkers for Oncology

Questions about C55

Is C55 a billable ICD-10-CM code?
Yes. C55 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does C55 sit in the tabular list?
Neoplasms (C00-D49), in the block Malignant neoplasms of female genital organs (C51-C58).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.