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Epic Code LAB3420 IgE Egg White, Component Allergen Panel

Important Note

Component allergen panel is only to be ordered as an “add on” follow-up to orders on patients with previous positive results for the allergen involved.

Test Name Alias

allergen | ImmunoCAP|RAST| Allergy | Allergen panel | Allergen Profile | Component Allergen | 7002

Interface Order Alias

11717

Clinical Information

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

Collection Instructions

Specimen Collection: Blood

Container(s): Gold Top (Serum Separator-SST Gel)

Preferred Volume to Collect: Full tube (5 mL)

Minimum Volume to Collect: 2.0 mL

Neonate Volume to Collect: 2.0 mL

Capillary collect ok? Yes

Microtainer acceptable: Yes

Collection Instructions:

  • Gently invert gold tube(s) 8 – 10 times to mix clot activator with blood.
  • Specimen should be processed within 2 hours – See Processing Instructions.
  • 1 full tube per 15 – 20 allergens.

Processing Instructions (Laboratory, Outpatient or Off-site collection)

Processed Specimen: Serum

Centrifuge/Spin: Yes

Aliquot: No

Processing Instructions: Allow blood to clot for 30 minutes in a vertical position and centrifuge within 2 hours.

Transport Temperature: Refrigerate

Rejection Criteria

  • Quantity not sufficient (QNS)
  • Specimen not centrifuged within 2 hours

Specimen Stability

Ambient: 12 hours
Refrigerate: 7 days
Frozen: aliquot serum for longer storage
Laboratory Retention: 30 days

Reflex Information

If Egg White IgE is greater than or equal to 0.10 kU/L, then Egg Component Allergen Panel (Ovomucoid IgE and Ovalbumin IgE) will be ordered.

Test Frequency

Available Monday through Friday, usual TAT 1-3 days.

Reference Range

<0.35 kU/L

Performing Department

Immunochemistry

Performing Department Laboratory Location

Corewell Health Reference Laboratory, Grand Rapids, MI

Methodology

ImmunoCAP® System Fluorescence Enzyme Immunoassay (FEIA)

CPT

86008

CDM Code

3028600801

Epic Test ID

1230100092

Mayo Access Code

SHO11717

Additional Information

Lab Staff:
For 1 allergen: 0.3mL serum
For more than 1 allergen: (0.05 mL x number of allergens) + 0.25mL dead space
1 tube per panel

Reviewed Date

3/4/2024

Updated Date

3/17/2024 – Reference Range (OEE)