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Q23.81

Billable

Bicuspid aortic valve

Q23.81 is the ICD-10-CM code for Bicuspid aortic valve. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
Q00-Q99
Parent
Q23.8
Edition
FY2026

Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities

Includes

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

Notes

  • •, 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)

Frequently asked questions

What is ICD-10 code Q23.81?
Q23.81 is the ICD-10-CM code for "Bicuspid aortic valve". It falls under Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities.
Is Q23.81 a billable code?
Yes — Q23.81 is a billable, specific ICD-10-CM code valid for reimbursement.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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