Convert ICD-10 Code Z23 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
Z23 Encounter for immunization		V05.9 Vaccin for singl dis NOS
Approximate Flag - The approximate mapping means there is not an exact match between the ICD-10 and ICD-9 codes and the mapped code is not a precise representation of the original code.

ICD-10 to ICD-9 crosswalk for code Z23 - encounter for immunization based on the most recent General Equivalence Mappings (GEMS) information.