From parent levels

ChapterXVIICongenital malformations, deformations and chromosomal abnormalitiesOpen

Exclusions

  • inborn errors of metabolism (E70-E90)
BlockQ20-Q28Congenital malformations of the circulatory systemOpen
CategoryQ21Congenital malformations of cardiac septaOpen

Exclusions

  • acquired cardiac septal defect (I51.0)

Q21.9

CategoryResidualBlock Q20-Q28Chapter XVII

Congenital malformation of cardiac septum, unspecified

Inclusions

  • Septal (heart) defect NOS
Parent: Q21 Congenital malformations of cardiac septa