C57.20Billable
Malignant neoplasm of unspecified round ligament
- Chapter
- 2. Neoplasms
- Category
- C57
- Effective date
- October 1, 2026
Related codes in category C57
C57Malignant neoplasm of other and unsp female genital organsC57.0Malignant neoplasm of fallopian tubeC57.00Malignant neoplasm of unspecified fallopian tubeYesC57.01Malignant neoplasm of right fallopian tubeYesC57.02Malignant neoplasm of left fallopian tubeYesC57.1Malignant neoplasm of broad ligamentC57.10Malignant neoplasm of unspecified broad ligamentYesC57.11Malignant neoplasm of right broad ligamentYesC57.12Malignant neoplasm of left broad ligamentYesC57.2Malignant neoplasm of round ligamentC57.21Malignant neoplasm of right round ligamentYesC57.22Malignant neoplasm of left round ligamentYes
Frequently asked questions
What is ICD-10 code C57.20?
C57.20 is an ICD-10-CM diagnosis code for Malignant neoplasm of unspecified round ligament.
Is C57.20 a billable code?
Yes. C57.20 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is C57.20 in?
C57.20 falls under Chapter 2: Neoplasms.
When did C57.20 become effective?
C57.20 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to C57.20?
C57.20 belongs to category C57, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.