Test library
Maize Food Allergy Test
The Corn Allergy Test measures IgE antibodies to maize (corn) proteins in a blood sample. It looks at corn as a food, not corn pollen, and helps assess whether corn contributes to allergic symptoms.
Order Corn Allergy Testing
Order online and visit a local collection site, or choose an at-home kit where available. No referral and no insurance required.
Order Corn Allergy Testing- Typical turnaround
- 1-3 business days
- Starting price
- From $49
- Results
- Confidential, online
Quick answer
The Corn Allergy Test is a blood test that detects IgE antibodies against corn, also called maize. It is important to know that this test assesses the food, not pollen from corn plants, which is a separate allergen source. Corn appears in many processed foods under different names, so identifying sensitivity can be useful. The result is interpreted with the person's reaction history and other allergy findings.
What this test measures
Corn allergy involves IgE antibodies that recognize proteins in maize kernels. Reactions can occur after eating corn, cornmeal, cornstarch, or products sweetened with corn syrup, though true corn allergy is less common than allergy to some other foods. Symptoms attributed to corn sometimes have another explanation, which is why testing is read alongside a careful history.
The sample is a standard blood draw, and the laboratory reports the level of corn-specific IgE as a concentration with a graded class. Maize contains several potential allergens, including lipid transfer proteins such as Zea m 14, which are associated with reactions in some people. Some orders include related cereal grains for comparison.
People may be tested after a reaction that seemed tied to corn, or as part of a broader food allergy evaluation when multiple foods are suspected. Corn pollen, a common airborne allergen in some regions, is tested separately and does not predict food allergy. A qualified healthcare provider interprets the result and advises on next steps.
- Corn (maize)-specific IgE antibodies
- Zea m 14 lipid transfer protein when reported
- Quantitative sIgE concentration reported in kilounits per liter
- Graded allergen-specific IgE class
- Total serum IgE when included
- Related cereal grain IgEs when a panel is included
Why people order this test
- Clarify whether corn contributes to suspected food reactions
- Follow up after a reaction that seemed tied to corn
- Separate food allergy from corn pollen sensitivity
- Add corn to a broader food allergy assessment
- Support dietary planning with a clinician
How to prepare
No fasting is required for this blood test. Follow the collection instructions provided by the laboratory, and tell the testing provider about any medications you take, because some can affect allergy test interpretation.
Understanding your results
Results are typically available within one to three business days. A detectable corn-specific IgE level indicates sensitization, which may or may not cause noticeable symptoms. A qualified healthcare provider can explain how the result fits with the person's history.
Maize Food Allergy Test by state
Alabama
Maize Food Allergy Test across Alabama.
Alaska
Maize Food Allergy Test across Alaska.
Arizona
Maize Food Allergy Test across Arizona.
Arkansas
Maize Food Allergy Test across Arkansas.
California
Maize Food Allergy Test across California.
Colorado
Maize Food Allergy Test across Colorado.
Connecticut
Maize Food Allergy Test across Connecticut.
Delaware
Maize Food Allergy Test across Delaware.
Florida
Maize Food Allergy Test across Florida.
Georgia
Maize Food Allergy Test across Georgia.
Hawaii
Maize Food Allergy Test across Hawaii.
Idaho
Maize Food Allergy Test across Idaho.
Related tests
12 Panel Drug Test (Drugs of Abuse Testing), Hair
Compare 12 Panel Drug Test (Drugs of Abuse Testing), Hair options and order online.
12 Panel Drug Testing
Compare 12 Panel Drug Testing options and order online.
7 Panel Drug Test (Drugs of Abuse Testing), Hair
Compare 7 Panel Drug Test (Drugs of Abuse Testing), Hair options and order online.
9 Panel Drug Test
Compare 9 Panel Drug Test options and order online.
9 Panel Drug Test (Drugs of Abuse Testing), Hair
Compare 9 Panel Drug Test (Drugs of Abuse Testing), Hair options and order online.
Frequently Asked Questions
Does the corn allergy test also detect pollen allergy?
No. This test measures antibodies to corn as a food. Corn pollen is a different allergen and is evaluated with separate tests when relevant.
Is corn allergy common?
True IgE-mediated corn allergy is less common than allergy to foods such as peanut, milk, or egg, but it does occur and can be evaluated with this test.
Can processed corn products trigger a reaction?
It depends on the person and the product. Corn-derived ingredients appear in many forms, and a qualified healthcare provider can help assess which ones matter.
What does a positive result mean?
It indicates sensitization to corn proteins. Whether symptoms occur when corn is eaten depends on the individual, so the result is interpreted with the history.
Is a blood test as useful as a skin test?
Both approaches detect allergen sensitization and each has advantages. A qualified healthcare provider can help decide which method suits the situation.
Ready to get tested?
Order online and visit a collection site near you, or choose a mail-in kit. No referral and no insurance required.
Reviewed by the LabOrdering Editorial Team
Every page on this site is reviewed for clarity, sourcing, and accuracy. We update our library as testing options, collection networks, and accreditation standards change.