Convert ICD-10 Code G91.2 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
G91.2 (Idiopathic) normal pressure hydrocephalus		331.5 Norml pressure hydroceph

ICD-10 to ICD-9 crosswalk for code G91.2 - (idiopathic) normal pressure hydrocephalus based on the most recent General Equivalence Mappings (GEMS) information.