Fluorescence Enzyme Immunoassay (FEIA)
Testing for IgE antibodies may be useful to establish the diagnosis of an allergic disease and to define the allergens responsible for eliciting signs and symptoms.
Class 0: <0.35 kU/L= Negative; Class 1: 0.35-0.69 kU/L= Equivocal; Class 2: 0.70-3.49 kU/L= Positive; Class 3: 3.50-17.4 kU/L= Positive; Class 4: 17.5-49.9 kU/L= Strongly positive; Class 5: 50.0-99.9 kU/L=
Strongly positive; Class 6: > or =100 kU/L= Strongly positive
2 - 4 days
Collect specimen in sst or red top tube. Spin and aliquot into a screw capped plastic tube. Send to Specimen Processing refrigerated.
Test performed by Mayo Clinic Labs