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Test Code IGE Immunoglobulin E (IgE), Serum

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Serum


Ordering 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 days

Specimen Retention Time

14 days

Reject Due To

Gross hemolysis OK
Gross lipemia OK