2 - 4 days
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Fluorescence Enzyme Immunoassay (FEIA)
In vitro serum testing for IgE antibodies provides an indication of the immune response to allergens that may be associated with allergic disease.
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
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Collect specimen in SST tube. Spin and aliquot into a screw capped plastic tube. Send to Specimen Processing refrigerated.