General
Epstein-Barr Antibody Panel
Lab test

Epstein-Barr Antibody Panel

Ordered for people with current symptoms consistent with mononucleosis, persistent fatigue following a past viral illness, or when EBV exposure is being evaluated as part of a broader workup. No fasting required. Results are available within 2–4 days and reviewed by a General Medicine clinician.

Receive actionable insights and deep analysis—not just lab values– in as little as 48 hours

Clear guidance, and follow-up care available

Simple, online scheduling for labs and everything else

Most insurance accepted

Board-certified

No hidden fees

Available nationwide

What is an Epstein-Barr Antibody Panel?

The Epstein-Barr Antibody Panel tests for antibodies to EBV — the virus responsible for infectious mononucleosis (mono) — to determine whether an infection is active, recent, or resolved. By measuring two distinct antibody types, the panel can pinpoint where in the infection timeline a patient currently sits, which is critical for both diagnosis and explaining persistent fatigue.

VCA IgM and IgG — infection timing

Viral capsid antigen antibodies distinguish between active or recent infection (IgM is elevated) and prior resolved infection (IgG alone is positive). Together they tell you whether EBV is a current issue or a past exposure.

EBNA — confirmed past immunity

The EBV nuclear antigen antibody typically appears 6–12 weeks after initial infection and remains positive for life. A positive EBNA alongside positive VCA IgG confirms old, resolved infection — helping rule out EBV as a cause of current symptoms.

Chronic fatigue and reactivation evaluation

In patients with prolonged fatigue after a known mono episode, the antibody pattern helps assess whether EBV reactivation may be contributing — an important consideration when standard fatigue workups return normal results.

Complete insights in as little as 48 hours

1

Book your test

Instantly schedule at 2,000+ labs nationwide, at a time that works for you. Most visits take 15 minutes or less, with both walk-ins and appointments available.

2

Get results in 48 hours

Your results are delivered quickly—and reviewed by medical professionals. You’ll get clear explanations, robust health insights, and recommended next steps tailored to your health needs.

3

Take action with physician guidance

Choose to review your results and manage your plan with a General Medicine physician—or simply use the insights on your own.

4

Track progress over time

Repeat annually to see trends, improvements, and new emerging risks or book individual tests that focus on your set goals

All your care in one place. That’s the General Medicine difference.

We help you understand your options, connect you to the right clinicians, manage prescriptions, coordinate any needed evaluations, and keep an eye on your overall health along the way. It’s comprehensive care that looks at the full picture — your goals, your history, your lifestyle — and makes it simple to move forward with confidence.

Your care plan
Clinician

What's included

Test type

Blood sample

Collection method

Venipuncture

Fasting

Not required

Results processing time

1 to 2 days

EBV Viral Capsid Antigen (VCA) IgM and IgG

These markers help detect whether you've been recently infected or have had EBV in the past.

EBV Nuclear Antigen (EBNA)

A key indicator that typically appears later during EBV infection and can confirm long-term immunity.

Virtual visit with clinician

Ongoing support, always available.

You’ll be supported by experienced clinicians who care for a wide range of health needs, from everyday concerns to more complex conditions.

Our clinicians track your progress over time and adjust your care as needed. If medication is prescribed, we’ll manage dosing and monitor for side effects. If lab testing is recommended, we review results and refine your plan accordingly. You’re never left to navigate care on your own.

What our customers have to say

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I found the ease of setting the appointment and how quickly I was able to be seen to be amazing. The physician was very friendly and amazingly helpful.

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The chat visit was super convenient. The doctor was friendly and took the time needed to answer any questions I had. The prescription I needed was called in and ready the same afternoon.

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General Medicine is easily the most approachable, efficient, high-quality, and responsive care team I've had the pleasure of working with.

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General Medicine helped me get the imaging and blood work I needed, referred me to the right specialists, and even helped me find a new family doctor.

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Order your lab today.

Frequently asked questions

What does the Epstein-Barr Antibody Panel test for?

The panel detects antibodies to Epstein-Barr virus (EBV) — the virus that causes infectious mononucleosis (mono). By measuring different antibody types (VCA IgM, VCA IgG, EA, and EBNA), the panel can distinguish between active infection, recent past infection, and old resolved infection.

I had mono years ago — why would I need this test now?

This test is useful for several scenarios: confirming a current or recent mono infection, evaluating whether EBV reactivation may be contributing to ongoing fatigue, and ruling out EBV when other diagnoses are being considered. EBV reactivation can occur during periods of immune stress.

Do I need to fast for this test?

No fasting is required. EBV antibody levels are not affected by recent food intake.

Can EBV cause long-term fatigue?

Yes — post-infectious fatigue after EBV is well-documented. In some individuals, EBV infection has been associated with the development of chronic fatigue conditions. The antibody panel helps clarify whether EBV is playing a current role in ongoing symptoms.

Can this panel tell me if I'm currently contagious?

The VCA IgM antibody — which is elevated during acute infection — suggests active or very recent infection. However, contagiousness is best assessed in combination with clinical symptoms. A clinician can review your results and advise on appropriate precautions.
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