ICD-10-CM > Z00-Z99 > Z77-Z99 > Z77 > Z77.2 Z77.2 Contact with and (suspected) exposure to other hazardous substances Non-Billable/Non-Specific Codes Z77.21Contact with and (suspected) exposure to potentially hazardous body fluidsZ77.22Contact with and (suspected) exposure to environmental tobacco smoke (acute) (chronic)Z77.29Contact with and (suspected) exposure to other hazardous substances