Convert ICD-10 Code I31.0 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
I31.0 Chronic adhesive pericarditis		423.1 Adhesive pericarditis

ICD-10 to ICD-9 crosswalk for code I31.0 - chronic adhesive pericarditis based on the most recent General Equivalence Mappings (GEMS) information.