Convert ICD-10 Code Q23.4 to ICD-9

Source ICD-10 Code Target ICD-9 Code
Q23.4
Hypoplastic left heart syndrome
746.7
Hypoplas left heart synd

ICD-10 to ICD-9 crosswalk for code Q23.4 - hypoplastic left heart syndrome based on the most recent General Equivalence Mappings (GEMS) information.