Q23.81

Bicuspid aortic valve

Billable / specificPOA exempt

Q23.81 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 bicuspid aortic valve
  • Unicuspid (congenital) aortic valve (at birth)

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)

Code also

An additional code may be needed.

  • , if applicable, acquired aortic valve disorders, such as:
  • aortic (valve) insufficiency (nonrheumatic) (I35.1)
  • aortic (valve) stenosis (nonrheumatic) (I35.0)
  • aortic (valve) stenosis with insufficiency (nonrheumatic) (I35.2)

Also known as

  • Congenital bicuspid aortic valve
  • Unicuspid (congenital) aortic valve (at birth)
  • Unicuspid aortic valve

Parent code

  • Q23.8Other congenital malformations of aortic and mitral valvesHeader

Related codes

  • Q23.82Congenital mitral valve cleft leafletBillable
  • Q23.88Other congenital malformations of aortic and mitral valvesBillable

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