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HelpTest Code COTWOD Cottonwood Tree, IgE, Serum, LAB1636
Performing Laboratory
St. Luke's Hospital Cedar Rapids
Useful For
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.
Specimen Requirements
Serum
Container/Tube: Serum gel tube or plain, red-top tube
Specimen: 40 uL for each allergen in addition to 200 uL for dead space serum
Minimum Specimen Volume
Serum: 300 uL for one allergen
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum |
Refrigerated (preferred) |
7 days |
| Frozen |
Indefinite |
Reference Values
|
SIgE kUA/L |
Interpretation |
| <0.10 | None Detected |
| 0.10 - 0.69 |
Low |
| 0.70 - 3.49 |
Moderate |
| 3.50 - 17.4 |
High |
| 17.5 - >100.0 |
Very High |
Day(s) Test Set Up
Tuesday through Friday
Methodology
Fluorescence Enzyme Immunoassay (FEIA)
Test Classification And CPT Coding
86003
Analytic Time
2 - 4 days