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Lettuce IgE allergy test for people with food reactions after eating salads

Lettuce Allergy Blood Test (IgE)

Lettuce (f215) IgE

  • Detect lettuce allergy sensitization markers
  • Identify food reaction triggers easily
  • Screen salad-related skin and stomach symptoms
$49
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

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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
  • 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

What's this test for?

This test is ideal if you're experiencing itching, hives, swelling, stomach upset, or other reactions after eating lettuce or salads. It checks whether your immune system has developed a specific antibody response to lettuce, which can help explain unexplained reactions tied to meals. It's also useful if you suspect a food sensitivity but haven't been able to pin down the exact trigger.

What happens after I get my results?

Your results will show up in your account along with an explanation of what a positive or negative value means. If your result is positive, a practical next step is to try removing lettuce from your diet for a few weeks and see if symptoms improve, then consider retesting later if you reintroduce it. You can download a standard lab report from your account at any time, and use the trends feature to track your results if you test again in the future. If you ever have a severe reaction like difficulty breathing or swelling of the throat after eating, seek emergency medical care right away.

What symptoms indicate I may need this test?

Common signs include itching or tingling in the mouth, hives or skin rash, stomach cramps, nausea, or swelling after eating lettuce or salad mixes. Some people also notice sneezing or a runny nose if lettuce triggers a mild reaction. If these symptoms happen consistently after eating lettuce, this test can help confirm whether an immune response is involved.

How can I naturally support a lettuce sensitivity?
If you're sensitized to lettuce, the simplest approach is avoiding it and checking ingredient labels on packaged salads and sandwiches. Cooking vegetables can sometimes reduce their allergenic proteins, so lightly cooked greens may be tolerated better by some people, though this varies person to person. Keeping a food and symptom diary can help you notice patterns and identify safe alternatives like spinach, kale, or arugula.
When will I get my results?
Results are typically ready within about 7 days of your lab visit. Once processed, they'll be uploaded directly to your secure online account, where you can view and download them at your convenience.
Who should consider this test?
This test is a good fit for anyone who notices recurring symptoms after eating lettuce or salads and wants a clearer answer than guesswork. It's also helpful for people managing multiple food sensitivities who want to narrow down specific triggers. Parents trying to understand a child's reactions to certain foods may also find this test useful.
What is IgE sensitization and why does it matter?
IgE is a type of antibody your immune system makes when it mistakenly identifies a harmless substance, like a lettuce protein, as a threat. Having elevated IgE to lettuce means your body is sensitized, which raises the chance you could have an allergic reaction when exposed to it. This matters because knowing your sensitization status helps you make informed choices about diet and avoid unexpected reactions.
What does a positive result mean?
A positive result means your immune system has produced antibodies against lettuce, indicating sensitization. This doesn't automatically mean you'll have a severe reaction, but it does mean exposure could trigger symptoms ranging from mild to more noticeable. Pairing this result with how your body actually reacts after eating lettuce gives you the clearest picture.
What causes a positive lettuce IgE result?
A positive result happens when your immune system has been exposed to lettuce proteins and mistakenly flags them as harmful, building antibodies in response. This can develop over time, even if you've eaten lettuce without issues before. Genetics, other existing allergies, and overall immune sensitivity can all play a role in why some people develop this response and others don't.
How often should I retest?
If you're actively avoiding lettuce and want to see whether your sensitivity has changed, retesting every 1-2 years is a reasonable starting point. If you're closely monitoring a known sensitivity or changing your diet significantly, you might retest sooner to track your progress. Use the trends feature in your account to compare results over time and see how things shift.
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.

Here’s why 1,000,000+ customers chose us for affordable hassle-free private blood testing.

You get clinical lab reports & simplified health insights.
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Results start landing the next day after your lab visit.*
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US-licensed doctors have your back if things get unclear.
No hidden fees, nice discounts for regular checkups.
Save a trip to the doctor, go directly to the lab
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Results explained in simple language
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Fast & confidential, we never sell or share your data
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Demo results
Lettuce (f215) Specific IgE Negative
Demo results
Negative (Not Sensitized) Positive (Sensitized)
Negative

What this means

A negative result means no significant IgE antibodies to lettuce were detected, so an allergic sensitization is unlikely. If you still notice symptoms after eating lettuce, other foods or factors may be involved.

* 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.
Here’s how easy it is to get blood work done on your terms
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Lettuce Allergy Blood Test (IgE)

  • Detect lettuce allergy sensitization markers
  • Identify food reaction triggers easily
  • Screen salad-related skin and stomach 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.