ICD-10-CM > S00-T88 > T36-T50 > T42 > T42.6 > T42.6X T42.6X Poisoning by, adverse effect of and underdosing of other antiepileptic and sedative-hypnotic drugs Non-Billable/Non-Specific Codes T42.6X1Poisoning by other antiepileptic and sedative-hypnotic drugs, accidental (unintentional)T42.6X1A..., initial encounterT42.6X1D..., subsequent encounterT42.6X1S..., sequelaT42.6X2Poisoning by other antiepileptic and sedative-hypnotic drugs, intentional self-harmT42.6X2A..., initial encounterT42.6X2D..., subsequent encounterT42.6X2S..., sequelaT42.6X3Poisoning by other antiepileptic and sedative-hypnotic drugs, assaultT42.6X3A..., initial encounterT42.6X3D..., subsequent encounterT42.6X3S..., sequelaT42.6X4Poisoning by other antiepileptic and sedative-hypnotic drugs, undeterminedT42.6X4A..., initial encounterT42.6X4D..., subsequent encounterT42.6X4S..., sequelaT42.6X5Adverse effect of other antiepileptic and sedative-hypnotic drugsT42.6X5A..., initial encounterT42.6X5D..., subsequent encounterT42.6X5S..., sequelaT42.6X6Underdosing of other antiepileptic and sedative-hypnotic drugsT42.6X6A..., initial encounterT42.6X6D..., subsequent encounterT42.6X6S..., sequela