Q83: Congenital malformations of breast excludes2 absence of pectoral muscle (Q79.8) hypoplasia of breast (N64.82) micromastia (N64.82) |
| Q83.0: Congenital absence of breast with absent nipple |
| Q83.1: Accessory breast |
| Q83.2: Absent nipple |
| Q83.3: Accessory nipple |
| Q83.8: Other congenital malformations of breast |
| Q83.9: Congenital malformation of breast, unspecified |