ICD-10-CM>Z00-Z99>Z77-Z99>Z77>Z77.4Z77.4Contact with and (suspected) exposure to blast overpressureNon-Billable/Non-SpecificCodesZ77.40Contact with and (suspected) exposure to unspecified blast overpressureZ77.41Contact with and (suspected) exposure to low-level blast overpressureZ77.42Contact with and (suspected) exposure to high-level blast overpressureZ77.49Contact with and (suspected) exposure to other blast overpressure