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Other laboratory tests

IgA deficiency testing

The occurrence rate of immunoglobulin-A (IgA) deficiency among Finnish blood donors is 1:500. Some of the people with IgA deficiency form antibodies against IgA. This may cause an elevated risk of anaphylactic reaction during transfusion.

The Blood Service tests the IgA concentration in the serum and, if necessary, identifies the anti-IgA antibodies.