This assay is used to detect allergen specific-IgE using an enzyme immunoassay (EIA). 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
Lipemic samples may lead to rejection
Enzyme immunoassay (EIA)
Class IgE (kU/L) Comment
0 <0.35 Below Detection
1 0.35-0.69 Low Positive
2 0.70-3.49 Moderate Positive
3 3.50-17.49 Positive
4 17.50-49.99 Strong Positive
5 >99.99 Very Strong Positive