Q20 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Congenital malformations of cardiac chambers and connections.
Type 1 excludes
Codes
Q20.0
Common arterial trunk
Q20.1
Double outlet right ventricle
Q20.2
Double outlet left ventricle
Q20.3
Discordant ventriculoarterial connection
Q20.4
Double inlet ventricle
Q20.5
Discordant atrioventricular connection
Q20.6
Isomerism of atrial appendages
Q20.8
Other congenital malformations of cardiac chambers and connections
Q20.9
Congenital malformation of cardiac chambers and connections, unspecified
Versions
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