2 - 3 days
Test Updated:
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Test Overview
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 Negative; Class 1: 0.35-0.69 Equivocal; Class 2: 0.70-3.49 Positive; Class 3: 3.50-17.4 Positive; Class 4: 17.5-49.9 Strongly positive; Class 5: 50.0-99.9 Strongly positive; Class 6: > or =100 Strongly positive
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Specimen Requirements
Collect specimen in SST or red top tube. Send to Specimen Processing
Collect specimen in SST or red top tube. Spin and aliquot serum into a screw capped plastic tube. Send to Specimen Processing refrigerated