Convert ICD-10 Code Q20.4 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
Q20.4 Double inlet ventricle		745.3 Common ventricle

ICD-10 to ICD-9 crosswalk for code Q20.4 - double inlet ventricle based on the most recent General Equivalence Mappings (GEMS) information.