C57.9 vs C76
C57.9 (Malignant neoplasm of female genital organ, unspecified) compared with C76 (Malignant neoplasm of other and ill-defined sites), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. C76 carries an Excludes1 note covering C57.9: “malignant neoplasm of female genitourinary tract NOS (C57.9)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| C57.9Malignant neoplasm of female genital organ, unspecified | C76Malignant neoplasm of other and ill-defined sites | |
|---|---|---|
| Billing status | Billable | Non-billable header |
| Classification | C00-D49 — Neoplasms (C00-D49) | C00-D49 — Neoplasms (C00-D49) |
| Definition | Malignant neoplasm of female genital organ, unspecified is a billable ICD-10-CM diagnosis code (C57.9). | Malignant neoplasm of other and ill-defined sites is a non-billable ICD-10-CM category code (C76). |
| Includes | malignant neoplasm of skin of female genital organs Malignant neoplasm of female genitourinary tract NOS | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources