Q23.81

Bicuspid aortic valve

Billable FY2026 2025-10-01 → 2026-09-30 FY2025–2027 only

Instructional notes 6

Q23.81code

Inclusion terms

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)I35.1
aortic (valve) stenosis (nonrheumatic) (I35.0)I35.0
aortic (valve) stenosis with insufficiency (nonrheumatic) (I35.2)I35.2

Index entries leading here 3

Anomaly, anomalous (congenital) (unspecified type) Q89.9
- heart Q24.9
  - valve NEC Q24.8
    - aortic
      - bicuspid valve Q23.81
Bicuspid aortic valve (at birth) (congenital) Q23.81
Unicuspid aortic valve (at birth) (congenital) Q23.81

Alongside this code 2 same parent — Q23.8

Q23.82 Congenital mitral valve cleft leaflet Q23.88 Other congenital malformations of aortic and mitral valves

Medications 3

16 Aortic Valve Disease drugs 14 Aortic Valve Stenosis drugs 2 Aortic Valve Insufficiency drugs

MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.

Additional references

AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable: yes
Code set: FY2026
Parent: Q23.8
Block: Q20-Q28
Siblings: 2

Present FY2025–FY2027.