Viral DNA Detection in Plasma (Quantitative, 24-Hour Specimen)
This test measures the amount of Epstein-Barr virus (EBV) DNA in your plasma over a 24-hour period. It helps assess whether your immune system is struggling to control the virus, which can be important for monitoring conditions like infectious mononucleosis or certain cancers.
["This test helps track EBV activity, especially in people with weakened immune systems or those at risk for complications from the virus."]
Key facts at a glance
- LOINC
- 49352-8
- Short code
- EBV DNA # Ur NAA+probe
- Synonyms
- EBV DNA # Ur NAA+probe
- Category
- chemistry
- Sample
- urine
- Container
- Sterile urine container
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- probe-amp-tar
- Specimen volume
- 10 mL
- Stability
- Room temperature: 2h, Refrigerated: 24h, Frozen: 7d
- Hemolysis max
- 0
- Lipemia max
- 0
- Icterus max
- 0
- TAT
- 4–24 hours
- Order
- routine
Why This Test Is Done
Your healthcare provider may order this test if you have symptoms like fever, fatigue, swollen lymph nodes, or other signs of EBV infection. It’s also used in people with HIV/AIDS, transplant recipients, or those with certain cancers (like lymphoma) to monitor EBV activity and guide treatment decisions.
What to Expect Before the Test
No special preparation is needed. You’ll provide a blood sample drawn from a vein in your arm. The blood is processed to separate plasma, which is then tested for EBV DNA. The test is typically done in a lab setting with results available within a few days.
What the Results Mean
Results are reported as the amount of EBV DNA in your plasma (in copies per milliliter or another unit). High levels may indicate active EBV infection, while lower levels suggest the virus is under control. Your provider will interpret results based on your medical history and symptoms.
Common Causes of Abnormal Results
High EBV DNA levels can occur with active EBV infection, such as infectious mononucleosis, or in people with suppressed immune systems. Low or undetectable levels may mean the virus is inactive or being managed by your immune system. Persistently high levels could signal complications or disease progression.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
◆Associated findings1
Short name
EBV DNA (Plasma)
Frequently asked questions
How long does it take to get my results?
Can I eat or drink before this test?
Is there any risk or discomfort with this test?
Sources
- 1
- 2Lab Tests OnlineSource
- 3
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.
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