Lab test
Comprehensive 20 Food Allergy Test Panel
This page explains the comprehensive 20 food allergy test panel, what it measures, and how to order it. The Comprehensive 20 Food Allergy Test Panel checks for allergies to 20 common foods. It helps identify potential food allergens.
What this test is
This test measures the presence of Immunoglobulin E (IgE) antibodies in response to specific foods. It covers 20 common food allergens such as milk, fish, and peanuts. The test helps identify foods that may trigger allergic reactions.
What it measures
- IgE antibodies — reflects allergic response to specific foods
- Milk IgE — indicates potential milk allergy
- Fish IgE — indicates potential fish allergy
- Crab IgE — indicates potential crab allergy
- Wheat IgE — indicates potential wheat allergy
- Shrimp IgE — indicates potential shrimp allergy
- Peanut IgE — indicates potential peanut allergy
- Egg IgE — indicates potential egg allergy
What the test involves
The test involves a standard blood draw, usually from a vein in your arm. A healthcare professional collects the sample for analysis.
Why it is often ordered
Clinicians typically order this test when a person shows symptoms that may suggest a food allergy. It helps in identifying specific food triggers to manage dietary choices.
Preparation
Preparation instructions should be followed as provided by the lab. Always check with the lab for any specific requirements before the test.
How results are reported
Results indicate the level of IgE antibodies for each food tested. Reference ranges vary by laboratory, so it is important to discuss your results with a healthcare provider.
Before you go
- Sample collection method
- Specific preparation instructions
- Turnaround time for results
FAQ
Frequently asked questions
What is an IgE antibody?
IgE antibodies are immune system proteins that react to specific allergens. High levels can indicate an allergic response.
Can this test diagnose food allergies?
This test can identify potential food allergens, but a healthcare provider should interpret the results alongside clinical history for diagnosis.
How soon will I get my results?
Results are typically available in 1-3 business days, but this can vary. Confirm with the lab for specific timelines.
Do I need to avoid certain foods before the test?
Follow the lab's specific instructions regarding food restrictions before the test. Always confirm preparation details with the lab.
Related
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Locations
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