This assay is used to detect allergen specific-IgE using the FEIA method. In vitro allergy testing is the primary testing mode for allergy diagnosis.
Immediately following collection, mix sample by gently inverting 5 times
Gold serum separator (SST) tube
Ambient (preferred) – 4 weeks
Refrigerated – 4 weeks
Frozen –>4 weeks
ImmunoCAP® Fluorescence Enzyme Immunoassay (FEIA)
Negative: < 0.1 kU/L
Class |
IgE (kU/L) |
Comment |
0 |
<0.10 |
Negative |
0/1 |
0.10-0.34 |
Equivocal/Borderline |
1 |
0.35-0.69 |
Low Positive |
2 |
0.70-3.49 |
Moderate Positive |
3 |
3.50-17.49 |
High Positive |
4 |
17.50-49.99 |
Very High Positive |
5 |
50.00-99.99 |
Very High Positive |
6 |
>99.99 |
Very High Positive |