ICD-10-CM > S00-T88 > T36-T50 > T50 > T50.Z > T50.Z1 > T50.Z14 T50.Z14 Poisoning by immunoglobulin, undetermined Non-Billable/Non-Specific Codes T50.Z14A..., initial encounterT50.Z14D..., subsequent encounterT50.Z14S..., sequela