Convert ICD-10 Code Z91.09 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
Z91.09 Oth allergy status, oth than to drugs and biolg substances		V15.09 Hx-allergy NEC
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 Z91.09 - other allergy status, other than to drugs and biological substances based on the most recent General Equivalence Mappings (GEMS) information.