Q23.9

Congenital malformation of aortic and mitral valves, unspecified

Billable / specificPOA exempt

Q23.9 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Includes (from Q23)

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

Excludes2

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

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

Also known as

  • Anomaly, anomalous, aortic cusp or valve
  • Anomaly, anomalous, mitral
  • Malformation, aortic valve
  • Malformation, mitral valve

Parent code

  • Q23Congenital malformations of aortic and mitral valvesHeader

Related codes

  • Q23.0Congenital stenosis of aortic valveBillable
  • 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

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