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HelpTest Code GRAPEF Grapefruit, IgE, Serum, LAB2482
Performing Laboratory
St. Luke's Hospital Cedar Rapids
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
Note: Label specimen appropriately (serum).
Minimum Specimen Volume
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 |
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.
Day(s) Test Set Up
Tuesday through Friday
Methodology
Fluorescence Enzyme Immunoassay (FEIA)
Test Classification And CPT Coding
86003
Report Available
2-4 days upon receipt