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Basophil activation blood test for patients unable to have skin allergy testing

Basophil Activation Allergy Blood Test

BasoFunction™ HRT Potassium Metabisulphite

  • Detect allergic reaction sensitivity levels
  • Screen when skin testing isn't possible
  • Track immune response over time
$943
LegitScript certified merchant
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
No questions asked refunds
LegitScript certified

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 possible allergy symptoms but skin testing or standard IgE blood testing isn't a good option for you. It looks at how your white blood cells react to histamine, which can help identify sensitivities when other testing methods aren't appropriate or available. It's often used as an alternative approach when your situation calls for a different way to check for allergic-type responses.

What happens after I get my results?

Your results will show up in your account with a clear explanation of what's considered a normal range for this test. If your results point to a strong reaction, simple next steps include avoiding known triggers and tracking any symptoms that come up over time. You can download the full lab report from your account whenever you need it, and use the trends feature to compare results if you retest down the road. If a result looks especially concerning, seeking prompt medical care is always a safe next step.

Who should consider this test?

This test is a good fit for people who suspect they have allergic reactions but can't use typical skin prick testing, perhaps due to skin conditions, certain medications, or other limitations. It's also useful for those whose standard IgE blood work didn't give clear answers. Anyone looking for an alternative way to check cell-level allergic responses may want to consider it.

What symptoms indicate I may need this test?
Common signs include unexplained hives, itching, swelling, flushing, or other reactions that seem tied to specific triggers like foods, medications, or environmental exposures. If you've noticed these symptoms but couldn't get clear answers from skin testing, this test may help fill in the gaps. Repeated or unpredictable allergic-type reactions are also a reason people consider this option.
What is basophil activation testing and why does it matter?
This test measures how your basophils, a type of white blood cell involved in allergic reactions, respond when exposed to histamine in a lab setting. It matters because some people can't rely on skin testing or standard blood IgE tests, so this gives another way to look at allergic-type cell activity. Understanding this response can help you and your care routine plan around potential triggers.
How can I naturally support a healthy immune and allergy response?
Eating a balanced diet rich in fruits, vegetables, and omega-3 fats can help support a calmer immune response over time. Staying hydrated, getting consistent sleep, and managing stress are also linked to fewer flare-ups in people prone to allergic reactions. Avoiding known personal triggers, when you can identify them, remains one of the most effective everyday steps you can take.
What does a high or reactive result mean?
A high or reactive result suggests your basophils responded strongly to the histamine challenge, which may point to heightened allergic-type sensitivity. This doesn't diagnose a specific allergy on its own, but it's a useful piece of the puzzle alongside your symptoms and history. Tracking your triggers and reactions in a journal can help you connect the dots between this result and real-life exposures.
What causes an abnormal basophil response?
Abnormal responses can be linked to underlying allergic conditions, certain medications, chronic immune conditions, or recent exposure to a trigger substance. Some people naturally have more reactive basophils due to genetics or ongoing inflammation. Identifying patterns in your symptoms alongside this result can help narrow down likely causes.
How often should I retest?
Retesting frequency really depends on whether your symptoms change or if you're trying to confirm a trend after making lifestyle changes. Many people retest every several months if they're actively working to identify or manage triggers. If your symptoms resolve or worsen significantly, that's also a good time to consider retesting.
What should I do if my results are abnormal?
Start by noting any recent symptoms, foods, medications, or environmental exposures that might be connected to your result. Simple steps like avoiding suspected triggers and keeping a symptom log can help you manage things day to day. If symptoms are severe, such as difficulty breathing or swelling of the face or throat, seek emergency medical care right away.
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.
Save time & gas, go straight to the lab. Our doctors cover the rest.
Results start landing the next day after your lab visit.*
We don’t sell or share your data. Your time & privacy matter.
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
Get lab order in minutes, results come overnight*
Results explained in simple language
Reviewed by US licensed doctors
Fast & confidential, we never sell or share your data
No insurance needed, transparent pricing
Demo results
Basophil Activation (Histamine Challenge) Positive
Demo results
Negative Positive
Positive

What this means

A positive result means your basophils reacted strongly to the histamine challenge, suggesting your immune cells may be sensitized. This supports further investigation into possible allergy triggers alongside your symptom history.

* 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
Book a lab
Book an appointment Visit any of our 4,000 nearby lab locations to have your samples collected. Book or walk-in
Choose a checkup
Get results Receive a clear, easy-to-digest health report by email & SMS within a few business days. Get answers, fast

Find a lab near you

Search Quest Diagnostics and LabCorp locations available through Private MD Labs.

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Basophil Activation Allergy Blood Test

  • Detect allergic reaction sensitivity levels
  • Screen when skin testing isn't possible
  • Track immune response over time
$943
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.