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Epstein-Barr Virus DNA, Qualitative, Probe Technique (Non-Quantitative)

Published: August 9, 2026Updated: August 16, 2026

This test looks for genetic material (DNA) from the Epstein-Barr virus in a sample. It helps determine whether the virus is present and may be active in the body.

Quick summary

["A positive result means Epstein-Barr virus DNA was detected, which can help your doctor understand whether the virus is present and active."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
95138-4
Short code
EBV DNA Pnl Amn NAA+probe
Synonyms
EBV DNA Pnl Amn NAA+probe
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
probe-amp-tar
Specimen volume
5 mL
Stability
Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
500
Lipemia max
1000
Icterus max
500
TAT
4–24 hours
Order
routine

What Is Being Tested?

The test checks for DNA from the Epstein-Barr virus (EBV), a common virus that most people are exposed to at some point in their lives. Detecting viral DNA can help show whether the virus is present in the body.

Why Is This Test Done?

Your doctor may order this test to evaluate symptoms that could be related to EBV, to check on people with weakened immune systems, or to monitor a known EBV infection. It is often used when a more detailed look at the virus is needed beyond routine antibody testing.

How the Sample Is Collected

The sample is usually blood, but depending on your situation it may be another body fluid. The DNA is then amplified and detected using a molecular (probe-based) laboratory method, which can identify very small amounts of viral genetic material.

What the Results Mean

A "detected" or positive result means EBV DNA was found, suggesting the virus is present. A "not detected" or negative result means no viral DNA was found at the level the test can measure. Results are interpreted alongside your symptoms, history, and other tests by your healthcare provider.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

EBV DNA PCR

Frequently asked questions

Does a positive result mean I have a serious illness?
Not necessarily. Epstein-Barr virus is very common, and detectable DNA does not by itself indicate severity or a specific disease. Your doctor will interpret the result together with your symptoms and other findings.
Can this test tell how much virus is present?
This appears to be a qualitative (detect/not detect) test rather than a quantitative one, so it generally does not measure the amount of virus. If your doctor needs viral load levels, a separate quantitative test may be ordered.
Do I need to fast or prepare before this test?
Usually no special preparation is needed for a blood draw, but follow any specific instructions your healthcare provider gives you, since preparation can depend on the sample type and your individual situation.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy