IgE Antibody Profile to Common Food Allergens (Screening)
This test measures levels of Immunoglobulin E (IgE) antibodies in your blood to common foods. IgE is a type of antibody that may indicate an allergic reaction to certain triggers.
["Assesses potential food allergies by detecting IgE antibodies in your blood."]
Key facts at a glance
- LOINC
- 15250-4
- Short code
- Food Allerg Mix20 IgE Ql
- Synonyms
- Food Allerg Mix20 IgE Ql
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- multidisk
- Specimen volume
- 5 mL
- Stability
- Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
- Hemolysis max
- 500
- Lipemia max
- 1000
- Icterus max
- 500
- TAT
- 4–24 hours
- Order
- routine
What This Test Measures
IgE antibodies are part of your immune system’s response to allergens. When your body encounters a food it’s sensitive to, it may produce IgE antibodies as a marker. This test checks for the presence of these antibodies against a mix of common food allergens, helping identify possible triggers for allergic reactions.
Why You Might Need This Test
Your healthcare provider may recommend this test if you have symptoms like hives, swelling, itching, digestive issues, or difficulty breathing after eating certain foods. It’s also used to screen for allergies before foods are introduced into a child’s diet (e.g., during allergy testing or dietary changes).
How the Test Works
A small blood sample is taken to measure IgE levels specific to foods like dairy, eggs, peanuts, tree nuts, fish, shellfish, wheat, and soy. The test uses immunoassay methods to detect these antibodies, which can help determine if your immune system is reacting to these foods.
What the Results Mean
Results show whether you have elevated IgE levels to any of the tested foods. Elevated levels suggest a possible allergic reaction, but they don’t confirm a diagnosis alone. Your doctor will interpret results alongside your symptoms and medical history.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
IgE food allergy screening is useful for identifying potential allergens before exposure, especially in children or individuals with suspected allergies. It can guide dietary adjustments, allergy testing, or management plans. However, false positives can occur, so results should always be reviewed by a healthcare provider.
Short name
IgE Food Allergy Screen
Frequently asked questions
What does a positive result mean?
Can this test replace allergy testing?
How soon will I get my results?
Sources
- 1
- 2Lab Tests OnlineSource
- 3
Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.
This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy