C50: Malignant neoplasm of breast includes connective tissue of breast Paget's disease of breast Paget's disease of nipple useAdditionalCode code to identify estrogen receptor status (Z17.0, Z17.1) excludes1 skin of breast (C44.501, C44.511, C44.521, C44.591) |
| C50.0: Malignant neoplasm of nipple and areola |
| C50.1: Malignant neoplasm of central portion of breast |
| C50.2: Malignant neoplasm of upper-inner quadrant of breast |
| C50.3: Malignant neoplasm of lower-inner quadrant of breast |
| C50.4: Malignant neoplasm of upper-outer quadrant of breast |
| C50.5: Malignant neoplasm of lower-outer quadrant of breast |
| C50.6: Malignant neoplasm of axillary tail of breast |
| C50.8: Malignant neoplasm of overlapping sites of breast |
| C50.9: Malignant neoplasm of breast of unspecified site |