C76.3
BillableMalignant neoplasm of pelvis
HCC Category Mapping
V28HCC 23 — Melanoma and Other Skin Cancers
0.251V24HCC 12 — Breast, Prostate, and Other Cancers and Tumors
0.150ESRDHCC 12 — Breast, Prostate, and Other Cancers and Tumors
0.000RxHCCHCC 22 — Cancer, Other Specified Sites
0.000What This Code Means
A malignant (cancerous) tumor located in the pelvic area, but the specific organ or tissue of origin is not further specified.
Coding Tips
- •Use this code when pelvic malignancy is confirmed but the specific organ (bladder, prostate, ovary, etc.) is unspecified
- •Attempt to identify the primary site through clinical documentation and imaging to assign a more specific organ-based code
Clinical Significance
Malignant neoplasm of the pelvis (ill-defined site) represents pelvic cancer where the specific organ of origin cannot be determined. Pelvic malignancies of unknown primary may involve overlapping pelvic structures. This code should only be used after thorough workup fails to identify the specific organ of origin.
Documentation Requirements
- ✓Documentation confirming pelvic malignancy without identifiable organ of origin
- ✓Pelvic imaging (CT, MRI pelvis) documenting tumor characteristics and extent
- ✓Pathology with immunohistochemistry to help determine tissue of origin
- ✓Documentation of gynecologic, urologic, and rectal workup as appropriate
- ✓Provider attestation that specific organ of origin cannot be determined
Commonly Confused Codes
C56.1-C56.9 — Malignant neoplasm of ovary: Common pelvic malignancy with specific codeC67.9 — Malignant neoplasm of bladder: Bladder cancer has specific codesC53.9/C54.9 — Cervical/uterine malignancy: Gynecologic cancers have specific codesC20 — Malignant neoplasm of rectum: Rectal cancer has its own codeC76.2 — Malignant neoplasm of abdomen: Distinguish pelvic from abdominal location
Code Hierarchy
└C76Malignant neoplasm of other and ill-defined sites└C76.3Malignant neoplasm of pelvis
└C76.3Malignant neoplasm of pelvis