2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Congenital Anomalies 740-759 > Other Congenital Anomalies Of Heart 746.* > 2006 ICD-9-CM Diagnosis 746.8 Other specified congenital anomalies of heart View the most recent version of ICD-9-CM 746.8 746.8 is a non-specific code that cannot be used to specify a diagnosis View the ICD-9-CM Volume 1 746.* hierarchy