ICD-10-CM > S00-T88 > T36-T50 > T45 > T45.0 > T45.0X > T45.0X4 T45.0X4 Poisoning by antiallergic and antiemetic drugs, undetermined Non-Billable/Non-Specific Codes T45.0X4A..., initial encounterT45.0X4D..., subsequent encounterT45.0X4S..., sequela