ICD-10-CM > C00-D49 > C50-C50 > C50 > C50.1 C50.1 Malignant neoplasm of central portion of breast Non-Billable/Non-Specific Codes C50.11Malignant neoplasm of central portion of breast, femaleC50.111Malignant neoplasm of central portion of right female breastC50.112Malignant neoplasm of central portion of left female breastC50.119Malignant neoplasm of central portion of unspecified female breastC50.12Malignant neoplasm of central portion of breast, maleC50.121Malignant neoplasm of central portion of right male breastC50.122Malignant neoplasm of central portion of left male breastC50.129Malignant neoplasm of central portion of unspecified male breast