Section Q20-Q28
Congenital malformations of the circulatory system
Clinical Classification Guidelines
Subordinate Categories
Congenital malformations of cardiac chambers and connections
Q20
Congenital malformations of cardiac septa
Q21
Congenital malformations of pulmonary and tricuspid valves
Q22
Congenital malformations of aortic and mitral valves
Q23
Other congenital malformations of heart
Q24
Congenital malformations of great arteries
Q25
Congenital malformations of great veins
Q26
Other congenital malformations of peripheral vascular system
Q27
Other congenital malformations of circulatory system
Q28