Convert ICD-10 Code I27.0 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
I27.0 Primary pulmonary hypertension		416.0 Prim pulm hypertension

ICD-10 to ICD-9 crosswalk for code I27.0 - primary pulmonary hypertension based on the most recent General Equivalence Mappings (GEMS) information.