ICD-10-CM > C00-D49 > C73-C75 > C74 > C74.0 C74.0 Malignant neoplasm of cortex of adrenal gland Non-Billable/Non-Specific Codes C74.00Malignant neoplasm of cortex of unspecified adrenal glandC74.01Malignant neoplasm of cortex of right adrenal glandC74.02Malignant neoplasm of cortex of left adrenal gland