T42.4X1 - Poisoning by benzodiazepines, accidental (unintentional) T42.4 - Poisoning by, adverse effect of and underdosing of benzodiazepines T42.4X - Poisoning by, adverse effect of and underdosing of benzodiazepines T42.4X1 - Poisoning by benzodiazepines, accidental (unintentional)