Instruction Source:
Q20.8Other congenital malformations of cardiac chambers and connections
Q20.8Other congenital malformations of cardiac chambers and connections
Q20Congenital malformations of cardiac chambers and connections
Q20-Q28Congenital malformations of the circulatory system (Q20-Q28)
Q00-QA1Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders