2026 ICD-10-CM Diagnosis Code C57Malignant neoplasm of other and unspecified female genital organs

ICD-10-CM Codes›C00–D49›C51-C58›C57

ICD-10-CM C57
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

C57 is a non-billable ICD-10-CM category code for malignant neoplasm of other and unspecified female genital organs, so it cannot be submitted on claims. Use a more specific code from this category instead, such as C57.00, C57.01, C57.02, and C57.10.

Code Identity

ICD-10-CM Code
C57
Billable Status
No — Non-Billable Category
Code Describes
Malignant neoplasm of other and unspecified female genital organs
Short Description
Malignant neoplasm of other and unsp female genital organs
Chapter
C51-C58
Malignant neoplasms of female genital organs

Code Classification

ChapterC00–D49Neoplasms
SectionC51-C58Malignant neoplasms of female genital organs
CategoryC57Malignant neoplasm of other and unspecified female genital organs
This CodeC57Malignant neoplasm of other and unspecified female genital organs

Specific Coding for Malignant neoplasm of other and unsp female genital organsOverview

Non-specific codes like C57 require more characters. Use one of these billable codes instead:

  • C57.0 for Malignant neoplasm of fallopian tube

  • Use C57.00 for Malignant neoplasm of unspecified fallopian tube

  • Use C57.01 for Malignant neoplasm of right fallopian tube

  • Use C57.02 for Malignant neoplasm of left fallopian tube

  • C57.1 for Malignant neoplasm of broad ligament

  • Use C57.10 for Malignant neoplasm of unspecified broad ligament

  • Use C57.11 for Malignant neoplasm of right broad ligament

  • Use C57.12 for Malignant neoplasm of left broad ligament

  • C57.2 for Malignant neoplasm of round ligament

  • Use C57.20 for Malignant neoplasm of unspecified round ligament

  • Use C57.21 for Malignant neoplasm of right round ligament

  • Use C57.22 for Malignant neoplasm of left round ligament

  • Use C57.3 for Malignant neoplasm of parametrium

  • Use C57.4 for Malignant neoplasm of uterine adnexa, unspecified

  • Use C57.7 for Malignant neoplasm of other specified female genital organs

  • Use C57.8 for Malignant neoplasm of overlapping sites of female genital organs

  • Use C57.9 for Malignant neoplasm of female genital organ, unspecified

Patient EducationClinical

Cervical Cancer

Cervical cancer is cancer that starts in the cells of the cervix. The cervix is part of the female reproductive system. It is the lower, narrow end of the uterus (womb), which opens into the vagina (birth canal).

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  • What is cervical cancer?
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  • What are the symptoms of cervical cancer?
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Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About C57Overview

Is C57 a billable code?

No. This is a category header that groups the codes for malignant neoplasm of other and unspecified female genital organs, and headers cannot be submitted on claims. Claims for malignant neoplasm of other and unspecified female genital organs need a more specific code from this category, such as C57.00, C57.01, and C57.02.