2025
ICD-10-CM
Diagnosis
Code

Q23.0 Congenital stenosis of aortic valve

  • Billable
  • POA Exempt
  • 2016–2025

Q23.0 is a billable/specific and POA-exempt diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Congenital stenosis of aortic valve.

Inclusion term

  • Congenital aortic atresia

  • Congenital aortic stenosis NOS

Type 1 excludes

  • Congenital stenosis of aortic valve in hypoplastic left heart syndrome (Q23.4)

  • Congenital subaortic stenosis (Q24.4)

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

Versions

  1. 2025

    No changes

  2. 2024

    No changes

  3. 2023

    No changes

  4. 2022

    No changes

  5. 2021

    No changes

  6. 2020

    No changes

  7. 2019

    No changes

  8. 2018

    No changes

  9. 2017

    No changes

  10. 2016

    New code