ICD-10-CM > S00-T88 > T36-T50 > T37 > T37.4 > T37.4X > T37.4X4 T37.4X4 Poisoning by anthelminthics, undetermined Non-Billable/Non-Specific Codes T37.4X4A..., initial encounterT37.4X4D..., subsequent encounterT37.4X4S..., sequela