ICD-10-CM > C00-D49 > C40-C41 > C40 > C40.3 C40.3 Malignant neoplasm of short bones of lower limb Non-Billable/Non-Specific Codes C40.30Malignant neoplasm of short bones of unspecified lower limbC40.31Malignant neoplasm of short bones of right lower limbC40.32Malignant neoplasm of short bones of left lower limb