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Chestnut IgE allergy test for people with reactions after eating chestnuts

Chestnut Allergy Blood Test (IgE)

Chestnut (Sweet) (f299) IgE

  • Detect chestnut allergy sensitization signs
  • Identify hidden food reaction triggers
  • Screen for chestnut-related allergic symptoms
$49
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First results as soon as overnight*

All results normal? Get your money back. First-time customers only. File a support ticket titled “Money Back Guarantee” with your order number within 15 days of receiving your results. STD, Sickle Cell, and gift orders aren’t eligible. Full terms apply. guarantee
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Prescription & all lab fees included

Go directly to the lab, no extra fees

Doctor's guidance included

Easy to understand results

Fast & convenient

Lab visit as quick as 10 mins in & out

  • Many results come back overnight *
  • 90-day money back guarantee
  • Save time & skip the doctor’s office
  • Lab visit as quick as 10 minutes
  • Results explained, with clear next steps
  • LegitScript certified
  • No questions asked refunds
  • The price you see is the price you pay

Prescription & all lab fees included

Go directly to the lab, no extra fees

Doctor's guidance included

Easy to understand results

Fast & convenient

Lab visit as quick as 10 mins in & out

All results normal? Get your money back. First-time customers only. File a support ticket titled “Money Back Guarantee” with your order number within 15 days of receiving your results. STD, Sickle Cell, and gift orders aren’t eligible. Full terms apply. guarantee
No questions asked refunds
LegitScript certified

What's this test for?

This test is ideal if you're experiencing itching, hives, swelling, stomach upset, or breathing trouble after eating sweet chestnuts or foods that contain them. It checks whether your immune system has developed a specific antibody (IgE) response to chestnut, which is a sign of sensitization. It's also useful if you've had an unexplained reaction and suspect chestnut may be the cause.

What happens after I get my results?

Your results will show up in your account along with an explanation of what a normal versus elevated IgE value means. If your result is positive, a practical next step is to avoid chestnut and chestnut-containing foods and watch for symptoms after accidental exposure; if it's negative but you still react to chestnut, consider retesting or checking for other allergens. You can download a standard lab report from your account at any time, and the trends feature lets you track your IgE levels if you test again in the future. If you ever have a severe reaction like difficulty breathing or swelling of the throat, seek emergency medical care right away.

What symptoms indicate I may need this test?

Common signs include itching or tingling in the mouth, hives, stomach cramps, nausea, or swelling of the lips and face after eating chestnuts. Some people also notice sneezing, a runny nose, or mild breathing difficulty. If these symptoms happen consistently after chestnut exposure, this test can help confirm whether an allergic sensitization is involved.

How can I naturally support my body if I have a chestnut sensitivity?
The most effective approach is simply avoiding chestnuts and foods or products that contain them, since there's no supplement or remedy that reverses an allergic sensitization. Reading ingredient labels carefully and asking about ingredients when eating out can help you avoid hidden exposure. Keeping a food and symptom diary can also help you notice patterns and identify safe alternatives to chestnut-based foods.
When will I get my results?
Results are typically ready within about 7 days of your sample being processed at the lab. You'll get a notification once your results are posted to your account, where you can view and download them anytime.
Who should consider this test?
Anyone who has noticed symptoms like hives, swelling, or digestive upset after eating chestnuts, or who has a known tree nut allergy and wants to check for chestnut specifically, should consider this test. It's also helpful for people with a family history of food allergies who want to be proactive about identifying triggers. Parents monitoring a child's reactions to new foods that include chestnut may find this test useful as well.
What is IgE sensitization and why does it matter?
IgE is an antibody your immune system makes when it mistakenly identifies a harmless substance, like chestnut protein, as a threat. Having elevated chestnut-specific IgE means your body is sensitized, which raises the chance of an allergic reaction on exposure, though it doesn't guarantee symptoms will occur. Understanding your IgE status helps you make informed choices about avoiding potential triggers.
What does a high chestnut IgE result mean?
A high result means your immune system has produced antibodies against chestnut proteins, indicating sensitization. This doesn't always mean you'll have a severe reaction, but it does mean exposure could trigger symptoms ranging from mild itching to more significant allergic responses. Avoiding chestnut and being prepared for accidental exposure are practical next steps.
What causes a positive chestnut IgE result?
A positive result happens when your immune system has been exposed to chestnut proteins and mistakenly built an antibody defense against them, sometimes called cross-reactivity if you're also allergic to related foods like other tree nuts or latex. Genetics and early exposure history can also play a role in why some people develop sensitization and others don't.
How often should I retest?
If you're avoiding chestnut and not experiencing symptoms, there's usually no need for frequent retesting. If your diet or exposure changes, or if symptoms develop or change over time, retesting every year or two can help you track whether your sensitization is increasing, decreasing, or staying the same using the trends feature.
How’s this work?
Getting your blood test with us is easy, private & backed by the power of science.

Long story short:
  1. In the test options, use the filters or search box to narrow your choices and find the test you want.
  2. If you need a hand navigating through options, text our super friendly support team at 754-799-7833, and we'll provide tailored suggestions to help you find the ideal test.
  3. Once your order is placed, we’ll create your doctor’s lab order remotely, without any need for you to make a trip to a doctor in person or to talk to the doctor. Expect to receive your doctor’s lab order right in your inbox. It will also be in your patient portal if you need to find it later. We’ll also include instructions regarding fasting and other requirements for your test. Your patient portal will be auto-created hassle-free during checkout.
  4. If this is your first time ordering, you'll be prompted to create a password for instant login access to your patient portal. It's a quick way to conveniently access your orders and results whenever you want.
  5. When you’re ready, visit one of our 4,000 locations. Just bring your ID – no printing or faxing of your lab order is needed, as your order and details will already be in the lab system.
  6. Note that most lab locations don’t accept walk-ins, so it’s best to book an appointment in advance. Don’t worry – we’ll provide detailed instructions along the way.
  7. You’ll get your results via email & SMS and dive into understanding your body better. Yup, that easy!
  8. If you have any questions, please text us at 754-799-7833 or email [email protected] and we'll gladly help you.
How do I know which test to get?
In the test options, find the test you want. If you’re not sure which test to get, we can lend a hand in finding the right option.

Just text or call us at 754-799-7833, email us at [email protected], and we'll gladly help you. We've got your back and reply quickly.
Is it possible to make changes to my lab order if I made a mistake with the name, date of birth, or any other details?
Absolutely! We totally understand that errors can happen. No worries, we're here to help you.

Just reach out to us via text at 754-799-7833 or shoot us an email at [email protected]. Remember to include your order number and let us know the correct information you’d like to update. Our awesome team will jump right in and make sure everything is sorted out and accurate for you.

There are no changes necessary if your address is wrong on the requisition though. We don’t mail anything out.

Our lab requires an address to be listed to generate an order.
Do you accept health insurance?
Only HSA & FSA is accepted.

Our services are strictly self-pay and cannot be submitted to your health insurance provider except for Health Savings Accounts or Flexible Savings Accounts.

This policy applies to all insurance companies, including federal health insurance programs like Medicare.

If you have any questions, please text us at 754-799-7833 or email [email protected].
Can I cancel my order?
Yes.

We get it – sometimes your needs change.

As long as your samples haven’t been collected yet, we’re happy to help you cancel your order.

If you have any further questions, please text us at 754-799-7833 or email [email protected].

You can read more about our cancellation policy here.
How can I find a lab location near me?
During the ordering process, you’ll be able to select a specific lab near you, with no strings attached! You can switch it up later easily and visit any of our authorized locations as long as it’s the same lab company you selected your test for (Quest Diagnostics or Labcorp).

Before you proceed with your order, feel free to browse through all our lab locations here. This will give you the peace of mind of knowing that there's a lab nearby your home, office or your favorite gym.

If you have any questions, please text us at 754-799-7833 or email [email protected] and we'll gladly help you.

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Demo results
Chestnut (Sweet) IgE 0.15 kU/L (Negative)
Demo results
Negative (<0.35 kU/L) Positive (≥0.35 kU/L)
0.15 kU/L (Negative)

What this means

This result is negative, meaning no significant chestnut-specific IgE antibodies were detected. This suggests you are not currently sensitized to chestnut, though symptoms after eating chestnut could still be due to other causes like food intolerance.

* Regular blood test results (e.g., CBC) typically start arriving the next business day after sample collection. More advanced tests may take longer due to complexity.
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Chestnut Allergy Blood Test (IgE)

  • Detect chestnut allergy sensitization signs
  • Identify hidden food reaction triggers
  • Screen for chestnut-related allergic symptoms
$49
Still got questions? Text our super-cool support team at 754-799-7833 to get help finding your ideal checkup.
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For informational purposes only. Not medical advice.