Convert ICD-10 Code A81.9 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
A81.9 Atypical virus infection of central nervous system, unsp		046.9 Cns slow virus infec NOS

ICD-10 to ICD-9 crosswalk for code A81.9 - atypical virus infection of central nervous system, unspecified based on the most recent General Equivalence Mappings (GEMS) information.