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Q23.0

Congenital stenosis of aortic valve

Billable

Code Hierarchy

Q23Q23.0

Chapter: 17. Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders

Section: Q20-Q28 - Congenital malformations of the circulatory system

Coding Guidelines

Inclusion Terms

  • Congenital aortic atresia
  • Congenital aortic stenosis NOS

Excludes1 (Mutually Exclusive)

These codes should never be used together with Q23.0

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

Related Codes

Q23.1Billable

Congenital insufficiency of aortic valve

Q23.2Billable

Congenital mitral stenosis

Q23.3Billable

Congenital mitral insufficiency

Q23.4Billable

Hypoplastic left heart syndrome

Q23.8Category

Other congenital malformations of aortic and mitral valves

Q23.9Billable

Congenital malformation of aortic and mitral valves, unspecified

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