ICD-10-CM > S00-T88 > T36-T50 > T40 > T40.6 > T40.69 > T40.694 T40.694 Poisoning by other narcotics, undetermined Non-Billable/Non-Specific Codes T40.694A..., initial encounterT40.694D..., subsequent encounterT40.694S..., sequela