XVII: Congenital malformations, deformations and chromosomal abnormalities
Q20-Q28: Congenital malformations of the circulatory system
Subcodes of Q20-Q28:
- 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
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