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Test ID WEGG Whole Egg, IgE, 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 for every 5 allergens requested


Useful For

Establishing a diagnosis of an allergy to whole egg

 

Identifying egg allergens:

-Responsible for allergic disease and/or anaphylactic episode

-To confirm sensitization prior to beginning immunotherapy

 

Testing for immunoglobulin E (IgE) antibodies is not useful in patients previously treated with immunotherapy to determine if residual clinical sensitivity exists, or in patients in whom the medical management does not depend upon identification of allergen specificity.

Highlights

This test is used to help establish a diagnosis of an allergy to whole egg.

 

This test is useful for identifying allergens that may be responsible for allergic disease and/or anaphylactic episode or to confirm sensitization prior to beginning immunotherapy.

Method Name

Fluorescence Enzyme Immunoassay (FEIA)

Reporting Name

Whole Egg, IgE

Specimen Type

Serum

Specimen Minimum Volume

For 1 allergen: 0.3 mL
For more than 1 allergen: (0.05 mL x number of allergens) + 0.25 mL deadspace

Specimen Stability Information

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

Reference Values

Class

IgE kU/L

Interpretation

0

<0.10

Negative

0/1

0.10-0.34

Borderline/Equivocal

1

0.35-0.69

Equivocal

2

0.70-3.49

Positive

3

3.50-17.4

Positive

4

17.5-49.9

Strongly positive

5

50.0-99.9

Strongly positive

6

≥100

Strongly positive

 

Reference values apply to all ages.

Performing Laboratory

Mayo Clinic Laboratories in Rochester

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.

CPT Code Information

86003

LOINC Code Information

Test ID Test Order Name Order LOINC Value
WEGG Whole Egg, IgE 7291-8

 

Result ID Test Result Name Result LOINC Value
WEGG Whole Egg, IgE 7291-8

NY State Approved

Yes

Day(s) Performed

Monday through Friday

Report Available

Same day/1 to 3 days