Q23Non-billable (header)
Congenital malformations of aortic and mitral valves
Code Hierarchy
┌17Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)├Q20-Q28Congenital malformations of the circulatory system (Q20-Q28)├Q23Congenital malformations of aortic and mitral valves
└Q23Congenital malformations of aortic and mitral valves
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