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Test Code IGE Immunoglobulin E (IgE), Serum

Additional Codes

MLAB: Y67

Powerchart: IgE Gammaglobulin

Epic: LAB74 IgE

MA Cerner: Immunoglobulin E (IgE)

Reporting Name

Immunoglobulin E (IgE), S

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

Performing Laboratory

Mayo Medical Laboratories in Rochester

Specimen Type

Serum


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
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) and Time(s) Performed

Monday through Friday; 9 a.m.-8 p.m.

Saturday; 8 a.m.-3 p.m.

Test Classification

This test has been cleared or approved by the U.S. 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.

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

Reject Due To

Hemolysis

Mild OK; Gross OK

Lipemia

Mild OK; Gross OK

Icterus

NA

Other

NA

 

Method Name

Fluorescence Enzyme Immunoassay (FEIA)

Forms

If not ordering electronically, complete, print, and send a General Request Form (T239) with the specimen (http://www.mayomedicallaboratories.com/it-mmfiles/general-request-form.pdf).