Convert ICD-10 Code Z77.22 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
Z77.22 Cntct w and expsr to environ tobacco smoke (acute) (chronic)		V15.89 Hx-health hazards 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 Z77.22 - contact with and (suspected) exposure to environmental tobacco smoke (acute) (chronic) based on the most recent General Equivalence Mappings (GEMS) information.