2026
ICD-10-CM
Diagnosis
Code

Q23.81 Bicuspid aortic valve

  • Billable
  • POA Exempt
  • 2025–2026

Q23.81 is a billable/specific and POA-exempt diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Bicuspid aortic valve.

Inclusion term

  • Congenital bicuspid aortic valve

  • Unicuspid (congenital) aortic valve (at birth)

Code also

  • 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)

Versions

  1. 2026

    No changes

  2. 2025

    New code