From parent levels

ChapterXVIICongenital malformations, deformations and chromosomal abnormalitiesOpen

Exclusions

  • inborn errors of metabolism (E70-E90)
BlockQ20-Q28Congenital malformations of the circulatory systemOpen
CategoryQ23Congenital malformations of aortic and mitral valvesOpen

Q23.9

CategoryResidualBlock Q20-Q28Chapter XVII

Congenital malformation of aortic and mitral valves, unspecified

Parent: Q23 Congenital malformations of aortic and mitral valves