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 *

0 - 150 kU/L

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 3 days.

Alternate Specimen
Red Top Tube
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