Convert ICD-10 Code I30.0 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
I30.0 Acute nonspecific idiopathic pericarditis		420.91 Ac idiopath pericarditis

ICD-10 to ICD-9 crosswalk for code I30.0 - acute nonspecific idiopathic pericarditis based on the most recent General Equivalence Mappings (GEMS) information.