What's this test for?

This test is ideal if you're experiencing unusual bruising, prolonged bleeding after cuts or dental work, heavy menstrual periods, or joint swelling that could point to a clotting problem. It's also useful if you have a family history of hemophilia or a known clotting disorder and need to check how well your blood forms clots. Because certain conditions can cause misleading results on standard tests, this version includes a backup method to make sure the result is accurate.

What happens after I get my results?

Your results will show up in your account with the normal range clearly explained next to your value, so you can see exactly where you stand. If your Factor VIII level is outside the normal range, next steps might include repeat testing to confirm the finding, tracking any bleeding or bruising symptoms, and reaching out for urgent care if you notice heavy or uncontrolled bleeding. You can download the full lab report from your account anytime, and the trends feature lets you compare this result to future tests to watch for changes over time.

What symptoms indicate I may need this test?

Common signs include bruising easily or for no clear reason, bleeding that takes a long time to stop, heavy or prolonged menstrual bleeding, or swollen and painful joints from internal bleeding. Nosebleeds that are hard to stop or unexplained blood in urine or stool can also be signs worth checking. If you have a family history of bleeding disorders like hemophilia, that's another good reason to get tested even without symptoms.

How can I naturally support healthy blood clotting?

Eating foods rich in vitamin K, like leafy greens, helps your body produce clotting proteins properly. Staying well hydrated and avoiding excessive alcohol can also support normal clotting function. Protecting yourself from injury, wearing protective gear during physical activity, and avoiding blood-thinning medications like aspirin unless necessary can reduce bleeding risk while you sort out any underlying issue.

When will I get my results?

Results for this test are typically ready within about 7 days of your lab visit. This timeframe allows for the initial clotting assay and, if needed, the follow-up chromogenic method to confirm accurate results. You'll get a notification as soon as your results are available in your account.

Who should consider this test?

This test is a good fit for anyone with unexplained bruising or bleeding, a personal or family history of hemophilia or clotting disorders, or symptoms like heavy periods or joint bleeding. It's also worth considering if a previous clotting test gave confusing or borderline results, since this version specifically corrects for a common source of false low readings.

What is Factor VIII and why does it matter?

Factor VIII is a protein in your blood that plays a key role in forming clots to stop bleeding. When levels are too low, even small injuries can lead to prolonged or excessive bleeding, which is the hallmark of hemophilia A. Knowing your Factor VIII level helps explain unusual bleeding symptoms and guides how to manage them safely.

What does low Factor VIII mean?

A low Factor VIII level means your blood may take longer than normal to clot, which can lead to easy bruising, prolonged bleeding, or joint bleeds. Mild reductions might only cause problems during surgery or injury, while very low levels can cause spontaneous bleeding. If your result is low, avoid activities with high injury risk and seek medical care promptly if you experience heavy or uncontrolled bleeding.

What causes high or low Factor VIII levels?

Low Factor VIII is most often linked to hemophilia A, an inherited condition, but it can also occur with certain liver conditions or as an acquired issue later in life. High Factor VIII levels are less concerning for bleeding but have been linked to an increased risk of blood clots, and can rise due to inflammation, pregnancy, or stress on the body. A condition called lupus anticoagulant can sometimes cause a falsely low reading, which is why this test includes a backup chromogenic method to double check.

How often should I retest?

If your first result is normal and you have no ongoing symptoms, you likely won't need to retest unless new symptoms appear. If your result was abnormal or borderline, retesting every few months or as recommended based on your situation helps track whether the level is stable, improving, or getting worse. People with a known clotting disorder often benefit from periodic monitoring, especially before any planned surgery or major dental work.

Getting your blood test with us is easy, private & backed by the power of science.Long story short: In the test options, use the filters or search box to narrow your choices and find the test you want. 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. 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. 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. 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. 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. You’ll get your results via email & SMS and dive into understanding your body better. Yup, that easy! If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com 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 support@privatemdlabs.com, and we'll gladly help you. We've got your back and reply quickly.

When will my lab results be available?

Most test results will be available within 1–3 business days. Once they're ready, we'll send an email and text message to let you know. After your blood draw, just hang tight and don't worry – we'll keep you updated and in the loop! If you have any further questions, please text us at 754-799-7833 or email support@privatemdlabs.com, and we'll gladly help you.

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 support@privatemdlabs.com. 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 support@privatemdlabs.com.

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 support@privatemdlabs.com. 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 support@privatemdlabs.com and we'll gladly help you.

Factor VIII Clotting Test - Bleeding Disorder Check

Getting your blood test with us is easy, private & backed by the power of science.

Long story short:

In the test options, use the filters or search box to narrow your choices and find the test you want.
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.
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.
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.
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.
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.
You’ll get your results via email & SMS and dive into understanding your body better. Yup, that easy!

754-799-7833

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