Codes
Q20
Congenital malformations of cardiac chambers and connections
Q21
Congenital malformations of cardiac septa
Q22
Congenital malformations of pulmonary and tricuspid valves
Q23
Congenital malformations of aortic and mitral valves
Q24
Other congenital malformations of heart
Q25
Congenital malformations of great arteries
Q26
Congenital malformations of great veins
Q27
Other congenital malformations of peripheral vascular system
Q28
Other congenital malformations of circulatory system
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