What's this test for?

This test is ideal if you're experiencing unusual bruising, prolonged bleeding after cuts or surgery, or heavy menstrual bleeding that won't stop quickly. It's also useful if you're being monitored while on blood thinners like warfarin, or if you have liver problems that could affect your blood's ability to clot. Your results help figure out whether a shortage of Factor II (prothrombin) is contributing to your bleeding symptoms.

What happens after I get my results?

Your results will show up in your account with the normal range clearly explained so you know exactly where you stand. If your Factor II level comes back low, next steps often include reviewing any medications you take, checking your vitamin K intake, and possibly retesting to confirm the finding. If a result comes back severely low or you notice active, uncontrolled bleeding, seek medical care right away. You can download a standard lab report anytime and track your Factor II levels over time using the trends feature.

Who should consider this test?

People with unexplained bruising, prolonged bleeding, or a family history of bleeding disorders are good candidates for this test. It's also useful for people on warfarin or other blood thinners who want to understand how their medication is affecting clotting factors, and for those with liver conditions that can lower clotting factor production. Anyone with antiphospholipid antibodies, which can sometimes lower prothrombin levels, may also want this test.

What symptoms indicate I may need this test?

Watch for easy bruising, nosebleeds that are hard to stop, bleeding gums, blood in urine or stool, or heavy or prolonged menstrual periods. Excessive bleeding after minor cuts, dental work, or surgery is another common sign. If you have several of these symptoms together, checking your Factor II activity can help identify whether a clotting factor shortage is the cause.

When will I get my results?

Results for this test are typically ready within about 7 days of your sample being processed at the lab. You'll get a notification once your report is available in your account. Turnaround can occasionally vary slightly depending on lab volume, but you can always check your account for the most current status.

How can I naturally support healthy clotting factor levels?

Since Factor II depends on vitamin K, eating vitamin K-rich foods like leafy greens, broccoli, and Brussels sprouts can help support healthy levels naturally. Limiting alcohol is important too, since heavy drinking can affect liver function and lower clotting factor production. Staying consistent with any prescribed medications and avoiding sudden diet changes that swing your vitamin K intake up or down can also help keep results stable.

What does low Factor II mean?

A low Factor II result means your blood may take longer to clot, which can raise your risk of bleeding. Common causes include vitamin K deficiency, liver problems, blood-thinning medications like warfarin, or in rare cases an inherited deficiency. Simple steps like reviewing your diet, discussing medication timing, and retesting can help clarify what's driving the low result.

What causes high or low Factor II results?

Low Factor II is often linked to vitamin K deficiency, liver disease, warfarin or other anticoagulant use, or rare inherited deficiencies. Antibodies related to antiphospholipid syndrome can also lower Factor II by speeding up its clearance from the blood. High Factor II levels are less commonly discussed but may relate to inflammation or certain clotting risk conditions, which can be explored further with additional testing.

How often should I retest?

If you're on blood-thinning medication or being monitored for a bleeding tendency, retesting every few weeks to months may be recommended depending on how stable your levels are. If your first result is normal and you have no ongoing symptoms or medication changes, retesting isn't usually necessary unless new symptoms appear. Always retest a few weeks after stopping medications that can interfere with results, like warfarin or direct Xa inhibitors.

What should I do if my results are abnormal?

If your Factor II level is outside the normal range, start by reviewing your diet, alcohol intake, and any medications that could be affecting your results. Retesting after making adjustments can help confirm whether the change was temporary or ongoing. If you experience unusual bleeding along with an abnormal result, seek medical care promptly.

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 II Clotting Test - Bleeding Risk & Vitamin K 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

[email protected]