2026
ICD-10-CM
Diagnosis
Code

Q23.0 Congenital stenosis of aortic valve

Billable
POA Exempt
2016–2026

Q23.0 is a billable/specific and POA-exempt diagnosis code from the 2026 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

2026
No changes
2025
No changes
2024
No changes
2023
No changes
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
No changes
2016
New code