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Test ID EGWTP Egg White Component Profile, Serum

Ordering Guidance

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

Specimen Required

Collection Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial 

Specimen Volume: 0.75 mL; if needed, 0.5 mL for every 5 allergens requested

Collection Instructions: Centrifuge and aliquot serum into a plastic vial. 

Useful For

Identifying egg white allergens:

-Responsible for allergic disease and/or anaphylactic episode

-To confirm sensitization prior to beginning immunotherapy


This test is not useful for patients previously treated with immunotherapy to determine if residual clinical sensitivity exists, or for patients in whom the medical management does not depend upon identification of allergen specificity.

Profile Information

Test ID Reporting Name Available Separately Always Performed
EGG Egg White, IgE Yes Yes
OVAL Ovalbumin, IgE Yes Yes
OVMU Ovomucoid, IgE Yes Yes

Method Name

Fluorescence Enzyme Immunoassay (FEIA)

Reporting Name

Egg White Component Profile, S

Specimen Type


Specimen Minimum Volume

0.4 mL
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


IgE kU/L














Strongly positive 


Strongly positive 


Strongly positive 


Reference values apply to all ages.

Day(s) Performed

Monday through Friday

Report Available

Same day/1 to 3 days

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 x 1

86008 x 2

LOINC Code Information

Test ID Test Order Name Order LOINC Value
EGWTP Egg White Component Profile, S In Process


Result ID Test Result Name Result LOINC Value
EGG Egg White, IgE 6106-9
OVAL Ovalbumin, IgE 7556-4
OVMU Ovomucoid, IgE 7557-2