Viral DNA Detection in Body Fluids by Probe-Based Assay (Qualitative)
This test checks for the presence of Epstein-Barr virus (EBV) DNA in your blood or other fluids. It helps determine if you have an active EBV infection, which can occur after initial infection or reactivate in certain conditions.
["EBV DNA testing helps diagnose active infections or monitor conditions linked to EBV."]
Key facts at a glance
- LOINC
- 59805-2
- Short code
- EBV DNA Fld Ql NAA+probe
- Synonyms
- EBV DNA Fld Ql 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
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 an infection. It’s also used in monitoring conditions such as infectious mononucleosis, lymphoma, or post-transplant complications where EBV reactivation is a concern.
How the Test Works
The test uses a specialized probe to detect EBV DNA fragments in your blood, plasma, or other fluids. If EBV DNA is present, the test will confirm an active infection. This is a qualitative test, meaning it only tells you whether EBV DNA is detected or not, not the exact amount.
Sample Collection and Preparation
A blood sample is typically drawn from a vein in your arm. If monitoring other fluids (like cerebrospinal fluid or urine), those samples are collected separately. The sample is sent to a lab where the probe-based assay identifies EBV DNA.
What to Expect Before the Test
There are usually no special preparations needed. You may be asked to avoid certain medications or foods that could interfere with results, but this depends on your specific situation. Always follow your healthcare provider’s instructions.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
This test is critical for diagnosing active EBV infections, guiding treatment decisions, and monitoring chronic conditions. High levels of EBV DNA can indicate severe or active disease, while low or undetectable levels may suggest a resolved infection or remission. It’s particularly useful in immunocompromised patients or those with EBV-related cancers.
Short name
EBV DNA Test (Qualitative)
Frequently asked questions
What Does a Positive Test Mean?
What Does a Negative Test Mean?
How Often Should I Get 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