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Clam IgE allergy test to identify shellfish sensitization causing allergic reactions

Clam Allergy IgE Blood Test

Clam (f207) IgE

  • Detect clam allergy sensitization signs
  • Screen shellfish reactions before eating out
  • Identify hidden food allergy triggers
$49
First results as soon as overnight*

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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 hives, swelling, stomach upset, or breathing trouble after eating clams or other shellfish. It checks whether your immune system has formed antibodies against clam proteins, which is a sign of sensitization. It's also useful if you suspect a shellfish allergy but haven't pinpointed the exact trigger.

What happens after I get my results?

Your results will show up in your account along with a clear explanation of what a positive or negative value means. If your result is positive, a practical next step is to avoid clams and watch for reactions when eating other shellfish, since allergies can overlap. You can download a standard lab report from your account at any time, and if you retest later, the trends feature lets you track changes over time.

What symptoms indicate I may need this test?

Common signs include itching, hives, swelling of the lips or throat, stomach cramps, nausea, or trouble breathing after eating clams. Some people also notice symptoms just from handling or smelling shellfish while cooking. If these reactions happen repeatedly after clam exposure, this test can help confirm whether an allergic sensitization is involved.

How can I naturally support a sensitive immune system?
While you can't cure an allergy naturally, you can reduce flare-ups by avoiding known trigger foods and reading labels carefully for hidden shellfish ingredients. Eating a balanced diet with anti-inflammatory foods like leafy greens, berries, and fatty fish may help support overall immune balance. Staying hydrated and managing stress can also help keep your immune response steadier.
When will I get my results?
Results are typically ready within about 7 days of your lab visit. Once processed, they're posted directly to your secure online account, where you can view and download them anytime.
Who should consider this test?
Anyone who has had an unexplained reaction after eating clams or shellfish, or who has a family history of shellfish allergies, should consider this test. It's also helpful for people who love seafood but want to confirm they're not sensitized before eating it regularly. Parents wondering if a child's reaction was linked to shellfish may also find this test useful.
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 clam protein, as a threat. Having IgE antibodies to clams means your body is primed to react if exposed again, though it doesn't always mean you'll have a severe reaction. Understanding this helps you make informed choices about avoiding or cautiously reintroducing shellfish.
What does a high (positive) result mean?
A positive result means your immune system has produced antibodies against clam proteins, indicating sensitization. This doesn't automatically mean every exposure will cause symptoms, but it does raise the chance of a reaction. It's a good idea to avoid clams and discuss any past reaction symptoms with an allergy-focused resource for guidance on next steps.
What should I do if my results are abnormal?
If your result is positive, start by avoiding clams and being cautious with other shellfish since cross-reactivity is common. Keep track of any symptoms after accidental exposure and consider carrying emergency allergy medication if you've had severe reactions before. If you ever experience difficulty breathing or swelling of the throat after eating shellfish, seek emergency medical care immediately.
How often should I retest?
Allergy sensitization can change over time, especially in children, so retesting every 1-2 years is reasonable if you're monitoring a known sensitivity. If you've deliberately avoided clams and want to check whether sensitization has decreased, retesting can help confirm that before considering reintroduction. Using the trends feature in your account makes it easy to see how your IgE levels shift between tests.
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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Save a trip to the doctor, go directly to the lab
Get lab order in minutes, results come overnight*
Results explained in simple language
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Fast & confidential, we never sell or share your data
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Demo results
Clam (f207) IgE Antibody Positive (0.75 kU/L)
Demo results
Negative (<0.35 kU/L) Positive (≥0.35 kU/L)
Positive (0.75 kU/L)

What this means

A positive result means your body has formed IgE antibodies to clam proteins, showing sensitization. This suggests you may have an allergic reaction if you eat clams, though the severity can vary from mild to serious.

* 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
Choose a checkup
Order your test Save a trip to the doctor. Your results will come with clear, friendly explanations. Takes 2 minutes
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Book an appointment Visit any of our 4,000 nearby lab locations to have your samples collected. Book or walk-in
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Get results Receive a clear, easy-to-digest health report by email & SMS within a few business days. Get answers, fast

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Clam Allergy IgE Blood Test

  • Detect clam allergy sensitization signs
  • Screen shellfish reactions before eating out
  • Identify hidden food allergy triggers
$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.