Convert ICD-10 Code Q23.1 to ICD-9

Source ICD-10 Code Target ICD-9 Code
Q23.1
Congenital insufficiency of aortic valve
746.4
Cong aorta valv insuffic

ICD-10 to ICD-9 crosswalk for code Q23.1 - congenital insufficiency of aortic valve based on the most recent General Equivalence Mappings (GEMS) information.