What's this test for?

This test is ideal if you're taking or about to start clopidogrel (Plavix), especially after a heart procedure like a stent placement. It helps figure out how well your body processes this medication, since some people's genes make the drug less effective at preventing blood clots. Knowing your genetic profile can help identify if you need a different antiplatelet medication for better protection against heart attacks and strokes.

What's included in this test?

This test looks at your CYP2C19 gene, which controls how well your body activates clopidogrel into its working form. Understanding your genetic profile matters because it directly affects whether this common heart medication will work well for you or whether an alternative might protect you better.

What happens after I get my results?

Your results will appear in your account with a clear explanation of what your specific genotype means and how it's classified (from ultrarapid to poor metabolizer). Since this is a one-time genetic test, there's no need to retest later, but you should keep a copy of your results for any future medication decisions. The full lab report is downloadable from your account at any time, and you can revisit it whenever a new prescription is being considered. If your result shows reduced ability to activate clopidogrel, this is important information to bring up before starting or continuing that medication.

When will I get my results?

Results are typically ready within about 7 days of your sample being processed at the lab. Genetic tests like this one take a bit longer than standard blood work because they involve detailed analysis of your DNA. You'll get a notification once your results are available in your account.

Who should consider this test?

This test is especially useful for anyone who has had a heart attack, stent placement, or other procedure to open blocked arteries and has been prescribed clopidogrel. It's also worth considering if you've had a stroke or mini-stroke and are being considered for antiplatelet therapy. People with a family history of poor response to blood thinners may also want this information before starting treatment.

What symptoms indicate I may need this test?

This isn't a test for symptoms — it's about how your body processes a specific medication. However, if you've had a blood clot, heart attack, or stroke while already taking clopidogrel, that could be a sign your body isn't activating the drug properly. Recurring chest pain or clotting events despite being on antiplatelet therapy are also reasons to look into your genetic metabolism status.

What is CYP2C19 and why does it matter?

CYP2C19 is a gene that makes an enzyme your liver uses to activate certain medications, including clopidogrel. If you carry certain variants of this gene, your body may struggle to turn clopidogrel into its active, clot-preventing form. This matters because it can mean the difference between the medication working well or leaving you at higher risk for another heart attack or stroke.

What does a poor metabolizer result mean?

A poor metabolizer result means your body has a reduced ability to activate clopidogrel into its working form, so the drug may not protect you from blood clots as well as expected. This is important information because it may mean a different antiplatelet medication, like prasugrel or ticagrelor, would work better for you. This result doesn't require immediate action, but it's important to keep on hand whenever this medication comes up.

What causes reduced CYP2C19 function?

Reduced CYP2C19 function comes from inherited gene variants passed down from your parents — it's not something caused by lifestyle or diet. Everyone is born with a fixed combination of these gene variants, which is why this is a one-time test rather than something that changes over time. Other factors like kidney disease, diabetes, or certain other medications can add to the effect, but the genetic component itself stays constant throughout your life.

What should I do if my results show reduced metabolism?

If your results show you're a poor or intermediate metabolizer, keep this information available anytime clopidogrel or similar medications are being discussed for you. This is a good time to ask about alternative antiplatelet options that don't rely on the same activation pathway. Since this affects how a specific medication works in your body, it's worth mentioning at any future hospital visit or before starting new heart-related treatment.

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.

CYP2C19 Genotype Test - Clopidogrel Drug Response

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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