- Codes Description
- 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