Test Overview
Test Methodology

Fluorescence Enzyme Immunoassay (FEIA)

Test Usage

Quantitation of IgE in serum is useful as an initial screening test for allergic disease.

Reference Range *

<2 - 150 kU/L

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Limitations

Normal IgE levels do not rule out the presence of allergic disease.

Test Details
Days Set Up
Monday - Friday
Analytic Time

8 hours

Soft Order Code
IGE
MiChart Code
IgE
Synonyms
  • IgE
  • Allergy Testing, Total IgE
  • Immunoglobin E, Total
Laboratory
Chemical Pathology
Section
Special Chemistry
Specimen Requirements
Collection Instructions

Collect specimen in SST tube. Centrifuge, aliquot serum into a plastic vial and refrigerate. Sample may be stored refrigerated up to 7 days.

Alternate Specimen
Red Top Tube
Plasma: EDTA, lithium heparin or sodium heparin
Normal Volume
0.5 mL serum
Minimum Volume
0.3 mL serum
Additional Information

Note that Immunoglobulin E will not be determined when the "Immunoglobulin Quantitation" is requested; IgE must be requested individually.

Billing
CPT Code
82785
Fee Code
21980
NY State Approved
No