T42.4X2 - Poisoning by benzodiazepines, intentional self-harm T42.4 - Poisoning by, adverse effect of and underdosing of benzodiazepines T42.4X - Poisoning by, adverse effect of and underdosing of benzodiazepines T42.4X2 - Poisoning by benzodiazepines, intentional self-harm