What's this test for?

This test is ideal if you're experiencing ongoing fatigue, swollen glands, or a sore throat that won't go away and you suspect it could be related to a past or reactivated Epstein-Barr virus (EBV) infection. It's also used when there's concern about nasopharyngeal cancer, since this specific antibody tends to run high in people with that condition. If you've had mono in the past and want to understand whether the virus may be active again, this test can help clarify that.

What's included in this test?

This test measures one specific antibody type tied to the Epstein-Barr virus, which helps distinguish between an old, resolved infection and one that's chronic or reactivated. Because this antibody is also linked to a rare form of throat cancer, checking it can be useful for monitoring purposes beyond just general viral exposure.

What happens after I get my results?

Your results will show up in your account with the titer value and an explanation of what's considered a normal versus elevated range. If your levels are elevated, a simple next step is to retest in a few weeks to see if the pattern is rising, falling, or staying the same, and to pay attention to symptoms like persistent fatigue or throat or neck swelling. You can always download a standard lab report from your account for your records, and the trends feature lets you track your antibody levels over time if you test again in the future.

How can I naturally support my immune system while managing EBV?

Getting consistent, quality sleep is one of the most effective things you can do, since your immune system does a lot of its repair work overnight. Eating a diet rich in fruits, vegetables, and lean protein, staying hydrated, and managing stress through activities like walking, stretching, or meditation can also help your body keep the virus in check. Avoiding excess alcohol and not smoking supports your immune function as well, and moderate regular exercise (without overtraining) can help too.

When will I get my results?

Results are typically ready within about 7 days of your lab visit. Once processed, they'll be uploaded directly to your secure account, and you'll be notified so you can log in and review them along with the reference ranges.

Who should consider this test?

Anyone with unexplained, long-lasting fatigue, sore throat, or swollen lymph nodes that hasn't resolved on its own might consider this test. It's also worth considering if you've previously been diagnosed with mono and want to check whether the virus has reactivated, or if there's a family or personal history of nasopharyngeal cancer that warrants monitoring.

What symptoms indicate I may need this test?

Common signs include persistent fatigue that doesn't improve with rest, a sore throat lasting more than a couple of weeks, swollen glands in the neck, low-grade fevers, or unexplained night sweats. Nasal congestion, ringing in the ears, or a lump in the neck can also be reasons to check, especially if these symptoms are new and don't have an obvious cause.

What does a high VCA IgA result mean?

A high result, generally a titer of 1:80 or above, often points to a chronic or reactivated Epstein-Barr infection rather than a brand-new one. It can also show up in people with nasopharyngeal carcinoma, so if your number is high, retesting and paying attention to related symptoms like neck swelling or nasal issues is a smart move. The number itself doesn't diagnose cancer, but persistently high or rising titers are worth tracking over time.

What causes a high or low VCA IgA result?

A high result usually happens when the Epstein-Barr virus reactivates in your body after lying dormant, which can be triggered by stress, a weakened immune system, or other illness. Lower titers, like 1:10, 1:20, or 1:40, typically just reflect a past infection that your immune system successfully handled long ago. Since almost everyone is exposed to EBV at some point, some level of antibody presence is very common and not automatically a concern.

How often should I retest?

If your first result comes back elevated, retesting in 4 to 8 weeks can help show whether the titer is trending up, down, or holding steady. If levels are stable and low, you generally don't need to retest unless new symptoms show up. Tracking results over a few months gives the clearest picture of whether the virus is truly reactivated or settling back down.

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.

EBV VCA IgA Antibody Test - Chronic Infection 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]

Epstein-Barr Virus Antibody Test (VCA IgA)

Epstein-Barr Viral Capsid Antigen (VCA) Antibody (IgA)

Prescription & all lab fees included

Doctor's guidance included

Fast & convenient

Prescription & all lab fees included

Doctor's guidance included

Fast & convenient

What's this test for?

What's included in this test?

What happens after I get my results?

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Epstein-Barr Virus Antibody Test (VCA IgA)

Prescription & all lab fees included

Doctor's guidance included

Fast & convenient

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