ICD-10-CM > C00-D49 > C76-C80 > C76 > C76.5 C76.5 Malignant neoplasm of lower limb Non-Billable/Non-Specific Codes C76.50Malignant neoplasm of unspecified lower limbC76.51Malignant neoplasm of right lower limbC76.52Malignant neoplasm of left lower limb