ICD-10-CM > C00-D49 > C60-C63 > C63 > C63.0 C63.0 Malignant neoplasm of epididymis Non-Billable/Non-Specific Codes C63.00Malignant neoplasm of unspecified epididymisC63.01Malignant neoplasm of right epididymisC63.02Malignant neoplasm of left epididymis