ICD-10-CM > S00-T88 > T36-T50 > T37 > T37.2 > T37.2X > T37.2X4 T37.2X4 Poisoning by antimalarials and drugs acting on other blood protozoa, undetermined Non-Billable/Non-Specific Codes T37.2X4A..., initial encounterT37.2X4D..., subsequent encounterT37.2X4S..., sequela