Malignant neoplasm of other and unspecified female genital organs (C57) ICD-10-CM
The C57 code range covers malignant neoplasm of other and unspecified female genital organs with 18 ICD-10-CM diagnosis codes. 14 of them are billable and valid for claim submission in fiscal year 2026, and the category headers group them but cannot themselves be billed.
Codes in the C57 Range 18 codes · 14 billable
- C57 Malignant neoplasm of other and unspecified female genital organsNon-billable
- C57.0 Malignant neoplasm of fallopian tubeNon-billable
- C57.00 Malignant neoplasm of unspecified fallopian tube
- C57.01 Malignant neoplasm of right fallopian tube
- C57.02 Malignant neoplasm of left fallopian tube
- C57.1 Malignant neoplasm of broad ligamentNon-billable
- C57.10 Malignant neoplasm of unspecified broad ligament
- C57.11 Malignant neoplasm of right broad ligament
- C57.12 Malignant neoplasm of left broad ligament
- C57.2 Malignant neoplasm of round ligamentNon-billable
- C57.20 Malignant neoplasm of unspecified round ligament
- C57.21 Malignant neoplasm of right round ligament
- C57.22 Malignant neoplasm of left round ligament
- C57.3 Malignant neoplasm of parametrium
- C57.4 Malignant neoplasm of uterine adnexa, unspecified
- C57.7 Malignant neoplasm of other specified female genital organs
- C57.8 Malignant neoplasm of overlapping sites of female genital organs
- C57.9 Malignant neoplasm of female genital organ, unspecified
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the C57 range.
Broad Ligament
A broad fold of peritoneum that extends from the side of the uterus to the wall of the pelvis.
Internal Hernia
A protrusion of an internal abdominal organ through a hole in an anatomical structure such as a muscle or a membrane. For instance, in paraduodenal hernia the SMALL INTESTINE herniates through an opening in the MESENTERIES. It includes intra-abdominal and diaphragmatic hernias. In abdominal hernia a protrusion occurs through a weak spot in the muscle of the ABDOMINAL WALL.
About the C57 Code Range
```htmlICD-10 code C57 covers malignant neoplasms affecting various less common or unspecified female genital organs, including the fallopian tubes, broad and round ligaments, parametrium, and uterine adnexa. These codes identify primary cancers in these specific reproductive areas.
This group includes precise codes like C57.00 for malignant neoplasm of the unspecified fallopian tube and C57.01 or C57.02 specifying right or left fallopian tube cancers, often referenced as primary adenocarcinoma of the fallopian tube. Similarly, codes such as C57.10 and C57.20 identify malignancies of the broad and round ligaments, respectively. Malignant neoplasm of the parametrium (C57.3) and uterine adnexa (C57.4) also fall under this section, with several synonymous terms indicating various carcinoma types or primary malignancies of these sites. The codes assist healthcare providers and coders in reporting and classifying primary cancers not involving the more common female genital organs like the cervix or ovary, enabling detailed documentation of malignancies like carcinoma of genitourinary organs or overlapping sites. This specificity aids in accurate diagnosis and treatment planning.
```Questions About This Page
How many billable codes are in the C57 range?
Of the 18 codes in this range, 14 are billable and valid for claim submission from October 1, 2025 through September 30, 2026. Category header codes group them but cannot be reported on claims.
What does the C57 range classify?
The range classifies malignant neoplasm of other and unspecified female genital organs. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.
