Convert ICD-10 Code G91.0 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
G91.0 Communicating hydrocephalus		331.3 Communicat hydrocephalus

ICD-10 to ICD-9 crosswalk for code G91.0 - communicating hydrocephalus based on the most recent General Equivalence Mappings (GEMS) information.