2025 ICD-10-CM Diagnosis Code Q23.81

by

Bicuspid aortic valve

  • Q23.81 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • ICD-10-CM Q23.81 is a new 2025 ICD-10-CM code that became effective on October 1, 2024.
  • This is the American ICD-10-CM version of Q23.81 – other international versions of ICD-10 Q23.81 may differ.

Applicable To

  • 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)

The following code(s) above Q23.81 contain annotation back-references

 that may be applicable to Q23.81:

  • Q00-Q99  Congenital malformations, deformations and chromosomal abnormalities

Present On Admission

  • Q23.81 is considered exempt from POA reporting.

ICD-10-CM Q23.81 is grouped within Diagnostic Related Group(s) (MS-DRG v42.0):

  • 306 Cardiac congenital and valvular disorders with mcc
  • 307 Cardiac congenital and valvular disorders without mcc

Code History

  • 2025 (effective 10/1/2024): New code

Code annotations containing back-references to Q23.81:

  • Code Also: I35

Diagnosis Index entries containing back-references to Q23.81:

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