Test library
Tangerine Sensitivity Test
A tangerine allergy blood test measures IgE antibodies against tangerine proteins. It helps investigate reactions such as itching, hives, or swelling after eating citrus fruit.
Order Tangerine 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 Tangerine Allergy Test- Typical turnaround
- 1-3 business days
- Starting price
- From $49
- Results
- Confidential, online
Quick answer
The tangerine allergy test is a blood test that measures immunoglobulin E antibodies against proteins in tangerine. It is ordered when eating tangerines or other citrus fruit is followed by symptoms such as itching, hives, swelling, or digestive upset. Citrus allergy is uncommon, but reactions can sometimes be severe, so results are reviewed with a symptom history. A qualified healthcare provider interprets the findings.
What this test measures
Tangerine is a citrus fruit closely related to the orange and mandarin. True allergy to citrus is uncommon, but some people develop IgE-mediated reactions after eating the fruit, drinking the juice, or handling the peel. Symptoms range from oral itching and hives to abdominal discomfort, and in rare cases more serious reactions. Contact with peel oils can also irritate the skin.
The test measures allergen-specific IgE in a serum sample. It reports a quantitative level and usually a reactivity class for tangerine. A single blood draw is enough, and the test can be combined with other citrus and fruit allergen tests to reveal cross-reactivity patterns. Because citrus fruits share some proteins, a reaction to one may accompany sensitivity to another.
People who notice repeat symptoms after eating citrus, those with reactions to several fruits, and anyone undergoing a food allergy evaluation may be offered this test. A positive result shows sensitization rather than confirming that symptoms are caused by tangerine, so clinicians interpret it with a detailed history and, when appropriate, other testing.
- Tangerine-specific IgE antibodies
- Citrus fruit allergen components
- Quantitative allergen-specific IgE level
- IgE reactivity class for tangerine
- Total serum IgE
- Cross-reactive citrus allergens
- Related fruit allergen components
Why people order this test
- Investigate reactions after eating tangerines or other citrus fruit
- Distinguish citrus allergy from other food reactions
- Support a broader fruit allergy evaluation
- Check for cross-reactivity across citrus fruits
- Provide objective information before discussing dietary changes with a provider
- Follow up on unexplained hives or oral itching after fruit
How to prepare
No fasting is required. A blood sample is drawn from a vein, usually at the arm. Follow any instructions provided by the laboratory.
Understanding your results
Results are usually available within one to three business days. The report shows the specific IgE level and a reactivity class for tangerine. An elevated result suggests sensitization, and a qualified healthcare provider interprets it with the person's symptoms.
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Frequently Asked Questions
Is tangerine allergy common?
Citrus allergy is uncommon, but it does occur. Reactions can range from mild oral itching to hives, and in rare cases more serious symptoms.
How is the test done?
A blood sample is drawn and analyzed for IgE antibodies that react to tangerine proteins.
Do I need to fast?
No fasting is required for this blood test unless it is bundled with another test that needs it.
What does a positive result mean?
It shows the immune system has made antibodies against tangerine. Whether symptoms occur depends on exposure and sensitivity, which a provider evaluates.
Can I react to the peel but not the fruit?
Yes. Peel oils and fruit flesh contain different proteins, so some people react to handling or peeling citrus while tolerating the fruit. A provider can help assess the pattern.
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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