ICD-10-CM > S00-T88 > T36-T50 > T48 > T48.5 > T48.5X > T48.5X4 T48.5X4 Poisoning by other anti-common-cold drugs, undetermined Non-Billable/Non-Specific Codes T48.5X4A..., initial encounterT48.5X4D..., subsequent encounterT48.5X4S..., sequela