Coding: ICD-10-CM Section Q80-Q89

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

Supernumerary breast

Q83.2

Absent nipple

Q83.3

Accessory nipple

Supernumerary nipple

Q83.8

Other congenital malformations of breast

Q83.9

Congenital malformation of breast, unspecified