ICD-10-CM > S00-T88 > T36-T50 > T48 > T48.4 > T48.4X > T48.4X4 T48.4X4 Poisoning by expectorants, undetermined Non-Billable/Non-Specific Codes T48.4X4A..., initial encounterT48.4X4D..., subsequent encounterT48.4X4S..., sequela