Test library
Cranberry Fruit Allergy Test
This blood test measures IgE antibodies to cranberry proteins, helping evaluate reactions that may occur after eating cranberries or drinking cranberry products.
Order Cranberry 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 Cranberry Allergy Test- Typical turnaround
- 1-3 business days
- Starting price
- From $49
- Results
- Confidential, online
Quick answer
The cranberry allergy test measures immunoglobulin E antibodies against proteins in cranberries. Cranberry appears in juices, sauces, dried fruit, and supplements, so reactions can occur in several forms. The test is intended for people who suspect symptoms after cranberry consumption. A healthcare provider interprets the result with your dietary and symptom history.
What this test measures
This test detects allergen-specific immunoglobulin E against cranberry proteins. Berry allergies are uncommon but recognized, and they can cause oral itching, hives, digestive discomfort, or more serious reactions. Cranberries are often consumed in processed forms that also contain other ingredients, so identifying the true trigger can be difficult. The immunoassay reports a quantitative antibody level and an IgE class for cranberry.
A blood sample is collected by venipuncture at a partner laboratory and analyzed with an immunoassay. Results are reported in kilounits per liter, and total IgE or eosinophil counts may be included as supporting context. Because cranberry belongs to the same plant family as blueberry and bilberry, cross-reactivity is possible, and broader berry or fruit panels can help clarify the pattern when several foods are suspected.
People order this test after noticing symptoms linked to cranberry products, or when an elimination diet points toward berries. It may also be part of a wider food allergy evaluation. The test shows sensitization rather than a confirmed clinical allergy, so a qualified healthcare provider should interpret the result and guide any dietary decisions.
- Cranberry-specific IgE antibodies
- Quantitative sIgE concentration reported in kU/L
- Allergen-specific IgE class on the zero to six scale
- Total serum IgE
- Blood eosinophil count
- Related berry IgE markers when a panel is included
Why people order this test
- Evaluate suspected reactions after eating or drinking cranberry
- Support an elimination diet discussion with objective data
- Assess possible cross-reactivity with other berries
- Investigate oral itching or hives linked to fruit
- Provide information before reintroducing cranberry
How to prepare
No fasting is required for this allergy blood test, and a single blood draw is usually sufficient. Follow the laboratory instructions provided with your order and tell the collector about medications or recent allergic reactions.
Understanding your results
Results are usually available within one to three business days. A positive result indicates IgE antibodies to cranberry proteins, which reflects sensitization. A healthcare provider should interpret the finding with your symptoms and dietary history.
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Frequently Asked Questions
Is cranberry allergy common?
It is uncommon, but reactions to cranberry and other berries have been reported and can be evaluated with specific IgE testing.
Can I react to cranberry juice but not whole berries?
Juice contains cranberry proteins along with other ingredients, so reactions are possible. Testing plus a provider evaluation helps clarify the trigger.
Do I need to fast?
No fasting is required for allergy blood testing unless the laboratory instructs otherwise.
Are other berries cross-reactive with cranberry?
Cranberry is related to blueberry and bilberry, so cross-reactivity is possible. A broader panel can help assess this.
What symptoms may suggest cranberry allergy?
Oral itching, hives, or digestive discomfort after consuming cranberry are examples. Severe reactions require urgent medical care.
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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