C57.12
BillableMalignant neoplasm of left broad ligament
HCC Category Mapping
V28HCC 22 — Colorectal, Bladder, and Other Cancers
0.000V24HCC 10 — Lymphoma and Other Cancers
0.675ESRDHCC 10 — Lymphoma and Other Cancers
0.000RxHCCHCC 22 — Cancer, Other Specified Sites
0.000What This Code Means
Cancer that develops in the left broad ligament, the membrane that supports the uterus and reproductive organs on the left side.
Coding Tips
- •Confirm left side is explicitly documented in the medical record before assigning this code
- •Distinguish from other uterine adnexa cancers; broad ligament is a specific anatomical location
Clinical Significance
Left broad ligament cancer is a rare gynecologic malignancy requiring specific laterality documentation. Accurate identification of the left side is critical for surgical planning and for distinguishing primary disease from contralateral metastasis. This code represents the highest specificity available for this anatomic site.
Documentation Requirements
- ✓Explicit documentation of left-sided location from imaging, operative note, or pathology
- ✓Histologic confirmation of malignancy
- ✓FIGO or TNM staging
- ✓Primary versus metastatic determination
- ✓Active treatment status or surveillance documentation
Commonly Confused Codes
Code Hierarchy
└C57Malignant neoplasm of other and unspecified female genital organs└C57.1Malignant neoplasm of broad ligament└C57.12Malignant neoplasm of left broad ligament
└C57.12Malignant neoplasm of left broad ligament