Test library
Five Vegetable Allergy Panel
This IgE allergy panel uses a blood sample to check for sensitivity to five common vegetables: corn, carrot, peas, white beans, and potato. It helps explain reactions that may be linked to everyday plant foods.
Order Popular Vegetables Allergy Test
Order online and visit a local collection site, or choose an at-home kit where available. No referral and no insurance required.
Order Popular Vegetables Allergy Test- Typical turnaround
- 1-3 business days
- Starting price
- From $159
- Results
- Confidential, online
Quick answer
The common vegetables allergy test measures immunoglobulin E antibodies against five widely eaten vegetables: corn, carrot, peas, white beans, and potato. It is ordered when someone has reactions after eating these foods, or as part of a broader food allergy workup. The test uses a single blood sample and shows whether sensitization is present. A healthcare provider interprets the result with the person's history.
What this test measures
Food allergies occur when the immune system produces antibodies against proteins in a food. The common vegetable panel focuses on five foods that appear frequently in daily meals and can be overlooked as triggers. Corn, carrot, peas, white beans, and potato each contain distinct proteins, and reactions can range from mild oral itching to more significant symptoms.
The test is performed on serum using an allergen-specific IgE immunoassay. A blood draw is the only collection step, which is useful when skin testing is not practical or when a person takes medications that could interfere with skin prick results. The laboratory reports the antibody level for each vegetable along with a reactivity class.
Sensitization does not always mean a food causes symptoms. Some people have positive antibody results without reacting when they eat the food, and others react to related plant proteins because of cross-reactivity. Clinicians use the panel together with a symptom diary, elimination history, and sometimes oral food challenges before making recommendations.
- Corn-specific IgE antibodies
- Carrot-specific IgE antibodies
- Pea-specific IgE antibodies
- White bean-specific IgE antibodies
- Potato-specific IgE antibodies
- Total serum IgE
- Quantitative allergen-specific IgE level
- IgE reactivity class for each vegetable
Why people order this test
- Investigate reactions after eating common vegetables
- Evaluate suspected food allergy as part of a broader workup
- Check sensitization when skin testing is not suitable
- Compare reactivity across several plant foods
- Follow up on oral itching or hives linked to meals
- Provide objective information before discussing an elimination diet
How to prepare
No fasting is required for this test. A blood sample is collected from a vein, usually at the arm. Follow any instructions from the laboratory, and let the ordering provider know about current medications since some can affect interpretation.
Understanding your results
Results are usually reported within one to three business days. The report lists the IgE level and reactivity class for each vegetable. An elevated value shows sensitization, while a low value makes an allergy less likely but does not rule out a reaction. A healthcare provider explains what the findings mean.
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Frequently Asked Questions
Which vegetables does this panel test for?
It checks for IgE antibodies against corn, carrot, peas, white beans, and potato.
How is the sample collected?
A small blood sample is drawn from a vein. The serum is then tested for antibodies that react to each vegetable.
Does a positive result mean I am allergic to that vegetable?
A positive result shows sensitization. Whether eating the food actually causes symptoms depends on the individual and is assessed with a clinical history.
Can I take this test while on allergy medication?
Blood testing is generally not affected by antihistamines the way skin testing can be. The ordering provider can confirm whether any current medication matters.
Do I need to fast?
Fasting is not required for this blood test unless it is combined with other tests that call for it.
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.
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