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C57.8

C57.8Malignant neoplasm of overlapping sites of female genital organs

Billable / specific codeICD-10-CM

C57.8 is a billable, specific ICD-10-CM code for malignant neoplasm of overlapping sites of female genital organs. It is valid for submission on a claim.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Primary malignant neoplasm of two or more contiguous sites of the female genital organs whose point of origin cannot be determined
  • Primary tubo-ovarian malignant neoplasm whose point of origin cannot be determined
  • Primary utero-ovarian malignant neoplasm whose point of origin cannot be determined

Risk adjustment

C57.8 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

C57.8 is named in 65 Medicare coverage policies 65 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A52370Billing and Coding: Bevacizumab and biosimilars
  • A52450Billing and Coding: Paclitaxel (e.g., Taxol®/Abraxane ™)
  • A52450Billing and Coding: Paclitaxel (e.g., Taxol®/Abraxane ™)
  • A52453Billing and Coding: Luteinizing Hormone-Releasing Hormone (LHRH) Analogs

Related codes at this level

Codes that share C57. If C57.8 is not quite right, the correct code is usually one of these.

Questions about C57.8

Is C57.8 a billable ICD-10-CM code?
Yes. C57.8 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does C57.8 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.