Wheat Allergy Test
Below is a plain-language overview of the wheat allergy test. A wheat allergy test checks your blood for antibodies that may indicate an allergic reaction to wheat proteins. It is usually ordered when you have symptoms such as hives, stomach upset, or breathing problems after eating wheat. The test helps your clinician decide whether wheat is likely causing your symptoms.
- Sample type
- blood
- Category
- Allergy
- Turnaround
- 1-3 business days
- Price
- $49
- Referral
- Not required
A wheat allergy test checks your blood for antibodies that may indicate an allergic reaction to wheat proteins. It is usually ordered when you have symptoms such as hives, stomach upset, or breathing problems after eating wheat. The test helps your clinician decide whether wheat is likely causing your symptoms.
What it measures
- Wheat-specific IgE — Antibodies made by your immune system that target wheat proteins.
- Total IgE — A general measure of allergic antibody levels, not specific to wheat.
- Omega-5 gliadin IgE — A wheat protein linked to a type of wheat allergy triggered by exercise.
- Gliadin IgE — Antibodies against a component of wheat gluten.
- Tryptase — A marker sometimes checked after a severe allergic reaction.
Who it is for
Primary care clinicians, allergists, and pediatricians typically order this test. It is most often used for people with suspected food allergy symptoms.
Preparation
No fasting or special preparation is needed. Tell your clinician about all medicines you take, especially antihistamines, as they may affect results.
Results and what they mean
Results are reported as a number for each antibody, often with a reference range. A higher number may suggest allergy, but results must be interpreted by a clinician along with your symptoms and history. This is general information, not medical advice.
How to order this test
- Choose the test and place a confidential order online.
- Select a certified collection site and pick a time that suits you.
- Have your specimen collected — most draws take only a few minutes.
- Review results in a secure portal, typically within 1–3 days.
Preparation, hours, and pricing vary by site; confirm details directly with the lab before your visit.
Availability by state
Direct-access online ordering for the wheat allergy test is available in most states. It is currently unavailable in 6 states:
Everywhere else you can order confidentially and collect your sample at a certified site. Browse by state →
Frequently asked questions
Does a positive result mean I have a wheat allergy?
Not always. A positive result shows sensitivity, but only a clinician can confirm allergy after reviewing your symptoms and other tests.
Do I need to eat wheat before the test?
No. This blood test does not require you to eat wheat beforehand.
How long does it take to get results?
Results are usually available within 1 to 3 business days.
Can this test tell the difference between wheat allergy and celiac disease?
No. Celiac disease involves different antibodies and is diagnosed with separate tests. This test is for wheat allergy only.