C57.4
C57.4 — Malignant neoplasm of uterine adnexa, unspecified
Billable / specific codeICD-10-CM
C57.4 is a billable, specific ICD-10-CM code for malignant neoplasm of uterine adnexa, unspecified. It is valid for submission on a claim.
Risk adjustment
C57.4 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
C57.4 is named in 54 Medicare coverage policies — 54 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 C57.4 is not quite right, the correct code is usually one of these.
- C57.0Malignant neoplasm of fallopian tube
- C57.1Malignant neoplasm of broad ligament
- C57.2Malignant neoplasm of round ligament
- C57.3Malignant neoplasm of parametrium
- C57.7Malignant neoplasm of other specified female genital organs
- C57.8Malignant neoplasm of overlapping sites of female genital organs
- C57.9Malignant neoplasm of female genital organ, unspecified
Questions about C57.4
- Is C57.4 a billable ICD-10-CM code?
- Yes. C57.4 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does C57.4 sit in the tabular list?
- Neoplasms (C00-D49), in the block Malignant neoplasms of female genital organs (C51-C58).