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Platelet antibody test for unexplained bruising, bleeding, or low platelet counts

Platelet Antibody Blood Test for Bruising and Bleeding

Platelet Antibodies, Indirect (IgG, IgM, IgA)

  • Detect unexplained bruising and bleeding causes
  • Screen for immune platelet destruction issues
  • Monitor low platelet count concerns
$1086
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 unexplained bruising, unusual bleeding, or if you've been told you have a low platelet count. It's also useful if you've had a reaction to a blood or platelet transfusion, or if you're pregnant and there's concern about platelet compatibility with your baby. The test looks for antibodies that may be attacking your platelets and causing these problems.

What's included in this test?

This test checks for three types of antibodies that can attach to and destroy platelets, since different antibody types point to different underlying triggers like medications, transfusions, or autoimmune activity. Identifying which antibody type is present helps explain why platelet counts are dropping and whether an outside source, like a transfusion, might be involved.

What happens after I get my results?

Your results will appear in your account with each value explained alongside its normal range, so you can see clearly whether antibodies were detected. If antibodies are found, next steps usually involve avoiding any suspected trigger medications and retesting to confirm the finding, while very low platelet counts with signs of active bleeding call for immediate medical care. You can download a standard lab report from your account at any time, and if you retest in the future, the trends feature lets you track changes over time.

How can I naturally support healthy platelet levels?
Eating foods rich in vitamin B12, folate, and iron can help your body produce healthy platelets. Staying hydrated and avoiding alcohol and aspirin-type medications (unless otherwise directed) can also reduce added strain on your platelets. Getting enough rest and managing stress supports overall immune balance, which matters when antibodies are involved.
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 they're posted to your account, where you can view the detailed report and download it anytime.
Who should consider this test?
Anyone with unexplained bruising, bleeding, or a low platelet count noticed on a routine blood test should consider this. It's also relevant for people who've had a poor reaction to a platelet or blood transfusion, and for pregnant women when there's concern about platelet antibodies crossing to the baby. People with known autoimmune conditions may also want this test if they notice new bleeding symptoms.
What symptoms indicate I may need this test?
Watch for easy or unexplained bruising, small red or purple spots on the skin, bleeding gums, frequent nosebleeds, or blood in urine or stool. Unusual fatigue combined with a low platelet count on a recent blood panel is also a signal. If bleeding is heavy or won't stop, seek medical care right away rather than waiting on test results.
What does a positive antibody result mean?
A positive result means antibodies were found that are likely attacking your platelets, which can lower your platelet count and increase bleeding risk. This can happen because of certain medications, a past transfusion, or an autoimmune response where your body mistakenly targets its own platelets. The report will note which antibody type was detected, which can help narrow down the likely cause.
What causes platelet antibodies to develop?
Common triggers include certain medications (drug-induced immune reactions), incompatible blood or platelet transfusions, pregnancy-related immune responses, and autoimmune conditions where the immune system misidentifies platelets as a threat. In some cases, a recent infection can also trigger temporary antibody production. Identifying a recent new medication or transfusion can be a useful clue.
How often should I retest?
If your first result is positive or borderline, retesting after 2-4 weeks is a reasonable step to see if antibody levels are changing, especially if you've stopped a suspected trigger medication. If results are normal but symptoms continue, retesting in a few months or sooner if new symptoms appear is a good idea. Anyone with ongoing bleeding symptoms should not wait for a scheduled retest and should seek care sooner.
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
Platelet Antibodies (IgG, IgM, IgA) Negative
Demo results
Negative Positive
Negative

What this means

A negative result means no platelet antibodies were detected in your blood sample. This suggests your low platelet count, if any, is likely not caused by an immune attack on your platelets. Other causes of low platelets may still need to be explored if symptoms continue.

* 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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Platelet Antibody Blood Test for Bruising and Bleeding

  • Detect unexplained bruising and bleeding causes
  • Screen for immune platelet destruction issues
  • Monitor low platelet count concerns
$1086
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.