The ICD-10 code range for Congenital malformations of the circulatory system Q20-Q28 is medical classification list by the World Health Organization (WHO).
ICD-10 Code range (Q20-Q28), Congenital malformations of the circulatory system contains ICD-10 codes for Congenital malformations of cardiac chambers and connections, Congenital malformations of cardiac septa, Congenital malformations of pulmonary and tricuspid valves, Congenital malformations of aortic and mitral valves, Other congenital malformations of heart, Congenital malformations of great arteries, Congenital malformations of great veins, Other congenital malformations of peripheral vascular system, Other congenital malformations of circulatory system