Current

Q83 — Congenital malformations of breast

Part of Chapter 17: Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders , block Other congenital malformations (Q80-Q89) .

Official Notes

Excludes2

absence of pectoral muscle ( Q79.8 )

Excludes2

hypoplasia of breast ( N64.82 )

Excludes2

micromastia ( N64.82 )

Child Codes

FY 2027 effective October 1, 2026 · CDC NCHS and CMS