What's this test for?

This test is ideal if you're experiencing unusual bleeding or bruising, or if a prior blood test showed a prolonged clotting time (aPTT). It's often used to check for Factor IX deficiency, which is linked to Hemophilia B, a genetic bleeding disorder. It can also help explain bleeding issues related to liver disease, certain medications, or vitamin K problems.

How should I prepare for this test?

How can I naturally support healthy blood clotting? Eating enough vitamin K-rich foods like leafy greens, broccoli, and Brussels sprouts supports your body's natural clotting factor production, including Factor IX. Staying consistent with any prescribed medications and avoiding excessive alcohol also helps protect liver function, since your liver makes many clotting factors. If you take blood thinners like warfarin, work within your treatment plan since these drugs directly lower Factor IX-related results.

What's included in this test?

This test measures Factor IX activity, a specific protein your body needs to form blood clots properly. Checking this single factor helps pinpoint whether a clotting problem comes from this particular protein rather than other parts of the clotting system, which is especially useful after a prolonged aPTT result.

What happens after I get my results?

Your results will appear in your online account, with each value's normal range clearly explained so you can see exactly where you stand. If your Factor IX level is low, next steps often include retesting to confirm the result and looking at contributing factors like medication use or vitamin K intake. If a value comes back significantly low, it's important to seek medical care promptly since this can affect blood clotting. You can download a standard lab report anytime and use the trends feature to track your Factor IX levels if you test again in the future.

When will I get my results?

Results for this test are typically ready within about 7 days of your blood draw. This slightly longer turnaround is because clotting factor testing requires specialized lab processing. 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 people who have had a prolonged aPTT result on a previous blood test, or who have a family history of Hemophilia B. It's also useful for people with unexplained bruising, prolonged bleeding after cuts or surgery, or those being monitored for liver disease or vitamin K-related concerns.

What symptoms indicate I may need this test?

Signs that may point to a Factor IX problem include frequent or unexplained bruising, nosebleeds that won't stop quickly, heavy bleeding after minor cuts or dental work, and joint pain or swelling from internal bleeding. Excessive bleeding after surgery or childbirth can also be a signal worth checking.

What does low Factor IX mean?

A low Factor IX result means your blood may take longer than normal to clot, which can lead to easy bruising or prolonged bleeding. This can happen with inherited Hemophilia B, liver disease, vitamin K deficiency, or use of blood-thinning medications like warfarin. If your level is very low, it's important to seek medical care to manage bleeding risk safely.

What causes high or low Factor IX levels?

Low Factor IX is most often caused by an inherited condition called Hemophilia B, but it can also result from liver disease, vitamin K deficiency, or conditions like disseminated intravascular coagulation (DIC) that use up clotting factors. Certain medications, especially warfarin, are also a common cause of lower results. High Factor IX levels are less commonly a concern but can sometimes be linked to inflammation or clotting risk conditions.

How often should I retest?

If your first result is abnormal, retesting is often recommended to confirm the finding before drawing conclusions. People with a known clotting factor condition may retest periodically to monitor levels, especially if medications or health conditions affecting clotting change. Your trends feature can help you and track these changes over time.

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 IX 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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