Malignant neoplasm of short bones of right lower limb

This code signifies a primary cancerous tumor originating in the small bones of the right lower extremity. This includes bones such as the tarsals (e.g., talus, calcaneus, navicular, cuboid, cuneiforms) and metatarsals of the right foot. It indicates a malignant process rather than a benign growth or metastatic disease from another site.

This code is appropriate when documentation confirms a primary malignant neoplasm affecting the short bones of the right foot or ankle. Use this code when pathology reports or imaging studies definitively identify a primary bone cancer in these specific anatomical locations. It should be used for initial encounters and subsequent treatment of the primary malignancy.

• Ensure documentation specifies "primary" malignancy; if metastatic, a secondary neoplasm code is required.
• Verify the laterality (right) and the specific bone type (short bones) are clearly documented.
• Distinguish from long bones of the lower limb (e.g., femur, tibia, fibula), which have different codes.