Test Code IGE Immunoglobulin E (IgE), Serum
Performing Laboratory

Specimen Type
SerumOrdering Guidance
For a listing of allergens available for testing, see Allergens - Immunoglobulin E (IgE) Antibodies
Specimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 0.5 mL
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Specimen Minimum Volume
For only total IgE: 0.3 mL
For total IgE and more than 1 allergen: 0.05 mL x number of allergen-specific tests + 0.25 mL dead space
Specimen Stability Information
Specimen Type | Temperature | Time |
---|---|---|
Serum | Refrigerated (preferred) | 14 days |
Frozen | 90 days |
Reference Values
0-5 months: ≤13 kU/L
6-11 months: ≤34 kU/L
1 and 2 years: ≤97 kU/L
3 years: ≤199 kU/L
4-6 years: ≤307 kU/L
7 and 8 years: ≤403 kU/L
9-12 years: ≤696 kU/L
13-15 years: ≤629 kU/L
16 and 17 years : ≤537 kU/L
18 years or older: ≤214 kU/L
Day(s) Performed
Monday through Friday
CPT Code Information
82785
Report Available
Same day/1 day to 3 daysSpecimen Retention Time
14 daysReject Due To
Gross hemolysis | OK |
Gross lipemia | OK |