IMMUNOGLOBULIN E

Clinical Significance

IgE  - For diagnosis of allergic disease. A normal IgE level does not exclude the possible presence of an allergic disorder.

Preferred Specimen(s)
0.3 mL serum

Alternative Specimen(s)
Plasma collected in: Sodium heparin (green-top) tube, lithium heparin (green-top) tube, or EDTA (lavender-top) tube

Minimum Volume
0.3 mL

Transport Container
Serum Separator Tube (SST®)

Specimen Stability
Room temperature: 14 days
Refrigerated: 14 days
Frozen: 30 days
Setup Schedule, Transport Temperature

Methodology
Immunoassay (IA)

Reference Range(s)
≤6 Weeks    ≤9    kU/L
3 Months    ≤17    kU/L
6 Months    ≤30    kU/L
9 Months    ≤39    kU/L
12 Months    ≤53    kU/L
2 Years    ≤93    kU/L
3 Years    ≤128    kU/L
4 Years    ≤160    kU/L
5 Years    ≤192    kU/L
6 Years    ≤224    kU/L
7 Years    ≤248    kU/L
8 Years    ≤280    kU/L
9 Years    ≤304    kU/L
10 Years    ≤328    kU/L
Adult    ≤114    kU/L

Alternative Name(s)
Immunoglobulin E