C47.4
BillableMalignant neoplasm of peripheral nerves of abdomen
HCC Category Mapping
V28HCC 23 — Melanoma and Other Skin Cancers
0.251V24HCC 10 — Lymphoma and Other Cancers
0.675ESRDHCC 10 — Lymphoma and Other Cancers
0.000RxHCCHCC 20 — Cancer, Liver and Intrahepatic Bile Duct
0.000What This Code Means
Cancer that starts in the nerves of the abdominal area. This is a malignant tumor of the peripheral nerves within the abdomen.
Coding Tips
- •Abdomen includes nerves in the abdominal wall and cavity; distinguish from peritoneal tumors (C48.1)
- •Document specific abdominal location if available to support medical necessity
Clinical Significance
Malignant neoplasm of peripheral nerves of the abdomen represents a rare deep-seated sarcoma that can be difficult to diagnose preoperatively. Abdominal peripheral nerve tumors may present as large retroperitoneal or intra-abdominal masses and require extensive surgical resection with significant morbidity.
Documentation Requirements
- ✓Pathology confirming peripheral nerve origin (MPNST or other nerve malignancy)
- ✓Specific abdominal location and involved nerve(s)
- ✓Imaging showing tumor extent, size, and relationship to abdominal organs
- ✓Distinction from retroperitoneal sarcomas of non-nerve origin
- ✓Neurofibromatosis Type 1 status
Commonly Confused Codes
C49.4 (Malignant neoplasm of connective/soft tissue of abdomen) — soft tissue sarcoma, not nerve originC48.0 (Malignant neoplasm of retroperitoneum) — retroperitoneal tumors of non-nerve tissue originC47.5 (Malignant neoplasm of peripheral nerves of pelvis) — different anatomical regionC47.6 (Peripheral nerves of trunk, unspecified) — use C47.4 when abdomen is specified
Code Hierarchy
└C47Malignant neoplasm of peripheral nerves and autonomic nervous system└C47.4Malignant neoplasm of peripheral nerves of abdomen
└C47.4Malignant neoplasm of peripheral nerves of abdomen