ICD-10-CM > S00-T88 > T36-T50 > T50 > T50.Z > T50.Z1 > T50.Z15 T50.Z15 Adverse effect of immunoglobulin Non-Billable/Non-Specific Codes T50.Z15A..., initial encounterT50.Z15D..., subsequent encounterT50.Z15S..., sequela