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ICD-10-CM Codes Q00-Q99 Q20-Q28 Q23 Q23.81
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ICD-10-CM Diagnosis Code Q23.81

Effective Date: 10/01/2024 To 09/30/2025

Bicuspid aortic valve

CMS-HCC-V24 CMS-HCC-V28 RxHCC Age Gender Maternity Acute or Chronic MCC
-- -- -- -- -- -- Acute No
Applicable To for Q23.81:

  • Congenital bicuspid aortic valve

  • Unicuspid (congenital) aortic valve (at birth)

Code Also for Q23.81:

  • , 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)

Back-references to Q23.81
  • 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
      • Chapter, Section and Diagnosis Prefix for Q23.81
        Q00-Q99 :

        Congenital malformations, deformations and chromosomal abnormalities

        Q20-Q28 :

        Congenital malformations of the circulatory system

        Q23 :

        Congenital malformations of aortic and mitral valves