Q83 - Congenital malformations of breast
Excludes 2:
-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