| C50 | Malignant neoplasm of breast |
| C50.9 | Malignant neoplasm of breast of unspecified site |
| D05 | Carcinoma in situ of breast |
| D05.0 | Lobular carcinoma in situ of breast |
| D05.00 | Lobular carcinoma in situ of unspecified breast |
| D05.1 | Intraductal carcinoma in situ of breast |
| D05.10 | Intraductal carcinoma in situ of unspecified breast |
| D05.9 | Unspecified type of carcinoma in situ of breast |
| D24 | Benign neoplasm of breast |
| D24.1 | Benign neoplasm of right breast |
| D24.2 | Benign neoplasm of left breast |
| D24.9 | Benign neoplasm of unspecified breast |
| G89.3 | Neoplasm related pain (acute) (chronic) |
| N60.91 | Unspecified benign mammary dysplasia of right breast |
| N60.92 | Unspecified benign mammary dysplasia of left breast |
| N60.99 | Unspecified benign mammary dysplasia of unspecified breast |
| N63 | Unspecified lump in breast |
| N63.0 | Unspecified lump in unspecified breast |
| N63.1 | Unspecified lump in the right breast |
| N63.11 | Unspecified lump in the right breast, upper outer quadrant |
| N63.12 | Unspecified lump in the right breast, upper inner quadrant |
| N63.21 | Unspecified lump in the left breast, upper outer quadrant |
| N64 | Other disorders of breast |
| N64.4 | Mastodynia |
| N64.51 | Induration of breast |
| N64.52 | Nipple discharge |
| N64.53 | Retraction of nipple |
| R53.0 | Neoplastic (malignant) related fatigue |
| R92 | Abnormal and inconclusive findings on diagnostic imaging of breast |
| Z15.01 | Genetic susceptibility to malignant neoplasm of breast |
| Z15.09 | Genetic susceptibility to other malignant neoplasm |
| Z79.620 | |
| Z79.810 | Long term (current) use of selective estrogen receptor modulators (SERMs) |
| Z79.811 | Long term (current) use of aromatase inhibitors |
| Z79.890 | Hormone replacement therapy |
| Z80.3 | Family history of malignant neoplasm of breast |
| Z84.81 | Family history of carrier of genetic disease |
| Z85.3 | Personal history of malignant neoplasm of breast |