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