ICD-10-CM > S00-T88 > T36-T50 > T42 > T42.4 T42.4 Poisoning by, adverse effect of and underdosing of benzodiazepines Non-Billable/Non-Specific Codes T42.4XPoisoning by, adverse effect of and underdosing of benzodiazepinesT42.4X1Poisoning by benzodiazepines, accidental (unintentional)T42.4X1A..., initial encounterT42.4X1D..., subsequent encounterT42.4X1S..., sequelaT42.4X2Poisoning by benzodiazepines, intentional self-harmT42.4X2A..., initial encounterT42.4X2D..., subsequent encounterT42.4X2S..., sequelaT42.4X3Poisoning by benzodiazepines, assaultT42.4X3A..., initial encounterT42.4X3D..., subsequent encounterT42.4X3S..., sequelaT42.4X4Poisoning by benzodiazepines, undeterminedT42.4X4A..., initial encounterT42.4X4D..., subsequent encounterT42.4X4S..., sequelaT42.4X5Adverse effect of benzodiazepinesT42.4X5A..., initial encounterT42.4X5D..., subsequent encounterT42.4X5S..., sequelaT42.4X6Underdosing of benzodiazepinesT42.4X6A..., initial encounterT42.4X6D..., subsequent encounterT42.4X6S..., sequela