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Diagnosis Code

Q23.0 CONGENITAL STENOSIS OF AORTIC VALVE


Code Information

Diagnosis Code: Q23.0

Short Description: Congenital stenosis of aortic valve

Long Description: Congenital stenosis of aortic valve

The code Q23.0 is VALID for claim submission

Code Classification:

  • Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
    • Congenital malformations of the circulatory system (Q20-Q28)
      • Congenital malformations of aortic and mitral valves (Q23)
        • Q23.0 Congenital stenosis of aortic valve

Code Version: 2022 ICD-10-CM


Synonyms

  • Aortic valve calcification
  • Calcific aortic stenosis - bicuspid valve
  • Congenital atresia of aortic valve
  • Congenital stenosis of aortic valve
  • Nodular calcific aortic valve stenosis
  • Solitary pulmonary trunk with aortic atresia

Diagnostic Related Group(s)

The code Q23.0 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)
  • Cardiac Congenital And Valvular Disorders With Mcc (306)
  • Cardiac Congenital And Valvular Disorders Without Mcc (307)

References to Index of Diseases and Injuries

The code Q23.0 has the following ICD-10-CM references to the Index of Diseases and Injuries
  • Inclusion Terms:
    • Congenital aortic atresia
    • Congenital aortic stenosis NOS
  • Type 1 Excludes Notes:
    • congenital stenosis of aortic valve in hypoplastic left heart syndrome (@Q23.4*)
    • congenital subaortic stenosis (@Q24.4*)
    • supravalvular aortic stenosis (congenital) (@Q25.3*)

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
Q23.0 Right Arrow 746.3 Cong aorta valv stenosis

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
Q23 Congenital malformations of aortic and mitral valves
Q23.1 Congenital insufficiency of aortic valve
Q23.2 Congenital mitral stenosis
Q23.3 Congenital mitral insufficiency
Q23.4 Hypoplastic left heart syndrome
Q23.8 Other congenital malformations of aortic and mitral valves
Q23.9 Congenital malformation of aortic and mitral valves, unspecified

This page was last updated on: 10/1/2023

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