Quick Facts
- Sample: Blood
- Fasting: No special preparation required
- Turnaround: 3-5 business days. May take longer based on weather, holiday or lab delays.
What's Included
This test measures allergen-specific IgE antibodies to tea in a blood sample. It reports one biomarker, IgE Tea, and it does not test any other food, additive, or allergen.
Tea is often served with milk, honey, dairy substitutes, spices, herbs, lemon, or other flavorings. None of these are measured. A result reflects IgE antibodies to tea only. It is not, on its own, a confirmed clinical food allergy.
Benefits
- Measures tea-specific IgE antibodies in your blood.
- Adds tea-specific IgE information when considering tea versus added ingredients.
- Simple blood draw with no special preparation required.
- Gives you a result to discuss with your healthcare provider.
Who Is This Test For?
- People who notice symptoms within minutes to hours after drinking tea.
- People unsure whether a reaction comes from tea or an added ingredient.
- People whose symptoms occur with more than one variety of tea.
- People seeking tea-specific IgE information to discuss with a healthcare provider.
- People who prefer a simple blood test with no special preparation.
How It Works
- Order Your Test Online
- Visit a Local Lab
- Get Results Online
FAQ
1. What does this test measure, and what is outside its scope?
It measures IgE antibodies to tea in your blood, reported as a single IgE Tea result. Additives such as milk, honey, dairy substitutes, spices, herbs, lemon, and flavorings are not tested. Because it looks at IgE only, it should not be treated as interchangeable with other antibody tests or as a complete food allergy assessment.
2. Who should consider this test, and when?
If you develop symptoms after drinking tea, or you cannot tell whether tea or something added to it is the cause, this test may be worth considering. Reactions can appear anywhere from minutes to hours after exposure and range from mild to severe. It does not replace a medical evaluation.
3. If I react to one kind of tea, will I react to others?
Almost all types of tea come from varieties of the same plant. Most people who are allergic to tea would therefore have trouble with most, if not all, varieties. This test reports one IgE Tea result rather than results for individual types of tea.
4. Do I need to fast or prepare for this test?
No special preparation is required.
5. How quickly will I get results?
Results are expected in 3-5 business days. They may take longer based on weather, holiday or lab delays.
6. How should I interpret my results, and what if they are abnormal?
A tea IgE result shows whether IgE antibodies to tea were detected. By itself, it cannot confirm a clinical tea allergy, predict reaction severity, or show whether tea is safe or unsafe for you. Your symptoms, history, and other information all matter. If your result is abnormal, review it with a qualified healthcare provider, who can advise on any further evaluation.
Disclaimer: Reference ranges may vary by laboratory. Listed ranges are general guidelines and may differ from those used by the performing lab. Always consult your healthcare provider for interpretation.
Pre-test preparation
No special preparation required.
Cross-Reactivity
Cross-reactivity may occur when the immune system recognizes similar proteins in different foods, pollens, or other substances. This test measures only IgE antibodies to tea and does not test for any other allergen. Any relationships discussed here would be additional considerations, not confirmed allergies, and would not be an exhaustive list.
No well-established cross-reactivity relationships for tea were identified from authoritative medical and scientific sources. Reports of tea allergy are limited, so this may change as more evidence emerges. If you have concerns about reactions to other foods or substances, your healthcare provider can help you decide whether further evaluation makes sense.
