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ICD-10-CM Diagnosis Code Q23.0

Effective Date: 10/01/2015 To 09/30/2025

Congenital stenosis of aortic valve

CMS-HCC-V24 CMS-HCC-V28 RxHCC Age Gender Maternity Acute or Chronic MCC
-- -- -- -- -- -- Acute No
Applicable To for Q23.0:
  • Congenital aortic atresia

  • Congenital aortic stenosis NOS

Excludes-1 for Q23.0:
  • congenital stenosis of aortic valve in hypoplastic left heart syndrome (Q23.4)

  • congenital subaortic stenosis (Q24.4)

  • supravalvular aortic stenosis (congenital) (Q25.3)

Back-references to Q23.0
  • Anomaly, anomalous(congenital) (unspecified type) Q89.9
  • Atresia, atretic
    • aortic(orifice) (valve) Q23.0
    • Stenosis, stenotic(cicatricial) see also Stricture
    • Stricture see also Stenosis
    • Chapter, Section and Diagnosis Prefix for Q23.0
        Q00-Q99 :

        Congenital malformations, deformations and chromosomal abnormalities

        Q20-Q28 :

        Congenital malformations of the circulatory system

        Q23 :

        Congenital malformations of aortic and mitral valves