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. Send to Specimen Processing
Collect specimen in SST tube. Spin and aliquot into a screw capped plastic tube. Send to Specimen Processing refrigerated.