Kodex

Code

Q23.0

Congenital stenosis of aortic valve

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Hierarchy

Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- Q20-Q28 Congenital malformations of the circulatory system (Q20-Q28)
  - Q23 Congenital malformations of aortic and mitral valves
    - Q23.0 Congenital stenosis of aortic valve
    - Q23.1 Congenital insufficiency of aortic valve
    - Q23.2 Congenital mitral stenosis
    - Q23.3 Congenital mitral insufficiency
    - Q23.4 Hypoplastic left heart syndrome
    - Q23.8 Other congenital malformations of aortic and mitral valves
    - Q23.9 Congenital malformation of aortic and mitral valves, unspecified

Notes

Codes from this chapter are not for use on maternal records

Inclusion Terms

Q23.0

Congenital aortic atresia
Congenital aortic stenosis NOS

Excludes 1

Q23.0

congenital stenosis of aortic valve in hypoplastic left heart syndrome (Q23.4)
- Q23.4 Hypoplastic left heart syndrome
Q24.4 Congenital subaortic stenosis
Q25.3 Supravalvular aortic stenosis

Excludes 2

inborn errors of metabolism (E70-E88)
- E70-E88 Metabolic disorders (E70-E88)