Congenital malformations of breast - Q83

 Type 2 Excludes

• absence of pectoral muscle (Q79.8)
• hypoplasia of breast (N64.82)
• micromastia (N64.82)

 Codes

• 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