ICD-10-CM > C00-D49 > C50-C50 > C50 > C50.0 C50.0 Malignant neoplasm of nipple and areola Non-Billable/Non-Specific Codes C50.01Malignant neoplasm of nipple and areola, femaleC50.011Malignant neoplasm of nipple and areola, right female breastC50.012Malignant neoplasm of nipple and areola, left female breastC50.019Malignant neoplasm of nipple and areola, unspecified female breastC50.02Malignant neoplasm of nipple and areola, maleC50.021Malignant neoplasm of nipple and areola, right male breastC50.022Malignant neoplasm of nipple and areola, left male breastC50.029Malignant neoplasm of nipple and areola, unspecified male breast