ICD-10-CM > C00-D49 > C50-C50 > C50 > C50.8 C50.8 Malignant neoplasm of overlapping sites of breast Non-Billable/Non-Specific Codes C50.81Malignant neoplasm of overlapping sites of breast, femaleC50.811Malignant neoplasm of overlapping sites of right female breastC50.812Malignant neoplasm of overlapping sites of left female breastC50.819Malignant neoplasm of overlapping sites of unspecified female breastC50.82Malignant neoplasm of overlapping sites of breast, maleC50.821Malignant neoplasm of overlapping sites of right male breastC50.822Malignant neoplasm of overlapping sites of left male breastC50.829Malignant neoplasm of overlapping sites of unspecified male breast