ICD-10-CM > S00-T88 > T36-T50 > T42 > T42.7 > T42.71 T42.71 Poisoning by unspecified antiepileptic and sedative-hypnotic drugs, accidental (unintentional) Non-Billable/Non-Specific Applicable To Poisoning by antiepileptic and sedative-hypnotic drugs NOS Codes T42.71XA..., initial encounterT42.71XD..., subsequent encounterT42.71XS..., sequela