Lab Test

Egg White, Allergen IgE, Component

Test Codes

EPIC: LAB3420, Beaker: EEGC, CHW: LAB3420

Department

Send Outs

Specimen Collection Criteria

Collect: One Gold-top SST tube.

Physician Office/Draw Specimen Preparation

Let specimen clot for 30 minutes then centrifuge to separate serum from cells within 2 hours of collection. Transfer serum to plastic transport tube and maintain at refrigerate (2-8°C or 36-46) prior to transport.

Preparation for Courier Transport

Transport: 3.0 mL serum, refrigerated (2-8°C or 36-46°F). (Minimum: 2.0 mL)

Rejection Criteria

Specimens not collected and processed as indicated.

In-Lab Processing

Let specimen clot for 30 minutes then centrifuge to separate serum from cells within 2 hours of collection. Transfer serum to plastic transport tube and maintain at refrigerate (2-8°C or 36-46) prior to transport.

Transport: 3.0 mL serum, refrigerated (2-8°C or 36-46°F). (Minimum: 2.0 mL)

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): 12 hours
Refrigerated (2-8°C or 36-46°F): 7 days
Frozen (-20°C/-4°F or below): Aliquot for longer storage.

Specimen Storage in Department Prior to Disposal: 30 days

Specimen retention time is determined by the policy of the reference laboratory. Contact the Send Outs Laboratory with any questions.

Laboratory

Sent to Corewell Health Reference Laboratory, Grand Rapids, MI.

Performed

Monday – Friday.
Results available in 1-3 days.

Reference Range

<0.35 kU/L

Test Methodology

ImmunoCAP® System Fluorescence Enzyme Immunoassay (FEIA)

Clinical Utility

Component panel includes allergens: Ovomucoid (Gal d 1) and Ovalbumin (Gal d 2).

Consideration for baked tolerance and outgrowing allergy is best interpreted by board certified allergist with potential for in office challenge.

Reference

  1. Korenblat, Phillip E., M.D. & H. James Wedner, M.D. Allergy: Theory and Practice, 2nd ed. W.B. Saunders Company: Philadelphia, 1992, pg. 517.
  2. Metcalfe, Dean D. M.D., Hugh A. Sampson, M.D., Ronald A. Simon, M.D., Food Allergy: Adverse Reactions to Foods and Food Additives. Blackwell Scientific Publications: Boston, 1991, pg. 39-40.
  3. Patterson, Roy, M.D., C. Raymond Zeiss, Jr., M.D., Leslie Carroll Grammar, M.D., Paul A. Greenberger, M.D. Allergic Diseases: Diagnosis and Management, 4th ed. J.B. Lippincott Company: Philadelphia, 1993, pg. 529.

CPT Codes

86008

Contacts

Last Updated

10/15/2026

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