ICD-10-CM > S00-T88 > T36-T50 > T42 > T42.4 > T42.4X > T42.4X4 T42.4X4 Poisoning by benzodiazepines, undetermined Non-Billable/Non-Specific Codes T42.4X4A..., initial encounterT42.4X4D..., subsequent encounterT42.4X4S..., sequela