Sign in →

Test ID IGE Immunoglobulin E (IgE), Serum

Useful For

Evaluation of patients with suspected diseases associated with elevations in total immunoglobulin E (IgE), including allergic disease, primary immunodeficiencies, infections, malignancies, or other inflammatory diseases

 

Diagnostic evaluation of patients with suspected allergic bronchopulmonary aspergillosis

 

Identification of candidates for omalizumab (anti-IgE) therapy

Method Name

Fluorescence Enzyme Immunoassay (FEIA)

Reporting Name

Immunoglobulin E (IgE), S

Specimen Type

Serum


Ordering Guidance


For a listing of allergens available for testing, see Allergens - Immunoglobulin E (IgE) Antibodies in Special Instructions



Specimen Required


Container/Tube:

Preferred: Red top

Acceptable: Serum gel

Specimen Volume: 0.5 mL


Specimen Minimum Volume

For total IgE: 0.3 mL
For total IgE and more than 1 allergen: 0.05 mL x number of allergen-specific IgEs + 0.25 mL dead space

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 14 days
  Frozen  90 days

Reference Values

Results reported in kU/L

Age

Reference interval

0-5 months

≤13

6-11 months

≤34

1 and 2 years

≤97

3 years

≤199

4-6 years

≤307

7 and 8 years

≤403

9-12 years

≤696

13-15 years

≤629

16 and 17 years

≤537

18 years and older

≤214

Day(s) Performed

Monday through Friday

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

82785

LOINC Code Information

Test ID Test Order Name Order LOINC Value
IGE Immunoglobulin E (IgE), S 19113-0

 

Result ID Test Result Name Result LOINC Value
IGE Immunoglobulin E (IgE), S 19113-0

Test Classification

This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

Report Available

Same day/1 day to 3 days

NY State Approved

Yes

Forms

If not ordering electronically, complete, print, and send a General Request (T239) with the specimen.