Q23.0

Congenital stenosis of aortic valve

Billable / specificPOA exempt

Q23.0 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Applicable to

  • Congenital aortic atresia
  • Congenital aortic stenosis NOS

Includes (from Q23)

  • Note: Codes from this chapter are not for use on maternal records

Excludes1

Not coded here — never report together with this code.

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

Excludes2

Not included here — may be reported together when both conditions exist.

  • inborn errors of metabolism (E70-E88) (from Q23)

Also known as

  • Congenital aortic atresia
  • Congenital aortic stenosis NOS
  • Atresia, atretic, aortic
  • Stenosis, stenotic, aortic, congenital
  • Stenosis, stenotic, valve, congenital, aortic
  • Stricture, heart, valve, aortic
  • Stricture, valve, congenital, aortic

Parent code

  • Q23Congenital malformations of aortic and mitral valvesHeader

Related codes

  • Q23.1Congenital insufficiency of aortic valveBillable
  • Q23.2Congenital mitral stenosisBillable
  • Q23.3Congenital mitral insufficiencyBillable
  • Q23.4Hypoplastic left heart syndromeBillable
  • Q23.8Other congenital malformations of aortic and mitral valvesHeader
  • Q23.9Congenital malformation of aortic and mitral valves, unspecifiedBillable

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