T50.Z11 - Poisoning by immunoglobulin, accidental (unintentional) T50.Z - Poisoning by, adverse effect of and underdosing of other vaccines and biological substances T50.Z1 - Poisoning by, adverse effect of and underdosing of immunoglobulin T50.Z11 - Poisoning by immunoglobulin, accidental (unintentional)