C76.51
BillableMalignant neoplasm of right lower limb
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
Cancer that has developed in the right leg, thigh, knee, or foot area.
Coding Tips
- •Ensure documentation clearly specifies 'right' side before assigning this code
- •This includes malignancies of the right hip, thigh, knee, lower leg, ankle, and foot
Clinical Significance
Malignant neoplasm of the right lower limb specifies cancer in the right thigh, leg, or foot where the tissue of origin is ill-defined. Lower extremity sarcomas (bone and soft tissue) are relatively more common in the lower limbs than upper limbs. Laterality documentation supports surgical planning and radiation targeting.
Documentation Requirements
- ✓Documentation confirming right lower limb malignancy
- ✓Pathology identifying tissue type for more specific coding
- ✓Imaging documenting location (thigh, leg, foot) and tumor extent
- ✓Neurovascular and functional assessment of the right lower extremity
- ✓Treatment plan including limb salvage vs. amputation considerations
Commonly Confused Codes
C76.52 — Left lower limb: Laterality error; confirm right sideC76.50 — Unspecified lower limb: Use C76.51 when right side is documentedC40.21 — Malignant neoplasm of long bones of right lower limb: Use for bone tumorsC49.21 — Connective tissue of right lower limb: Use for soft tissue sarcomasC43.71 — Melanoma of right lower limb: Use for melanoma