Herpes Simplex Virus Type 1 (HSV-1) DNA in Whole Blood by Nucleic Acid Amplification Probe
This test detects the presence of genetic material from the herpes simplex virus type 1 (HSV-1) in your blood. It helps identify if you have an active infection or have been exposed recently.
["This test can help diagnose or monitor HSV-1 infection in your bloodstream."]
Key facts at a glance
- LOINC
- 92847-3
- Short code
- HSV 1 + 2 + VZV DNA Pnl Bld NAA+probe
- Synonyms
- HSV 1 + 2 + VZV DNA Pnl Bld 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 Might Be Ordered
Your healthcare provider may order this test if you have symptoms like fever, fatigue, or sores (such as cold sores or genital sores), or if you’ve been exposed to someone with HSV-1. It can also be used to confirm a diagnosis in certain clinical situations or to check for infection in people with weakened immune systems.
What to Expect During the Test
A small blood sample will be taken from a vein in your arm. You may feel a slight pinch, but it usually doesn’t cause significant discomfort. The sample is then sent to a lab for analysis using a specialized probe-based test to detect HSV-1 DNA.
Preparation and Timing
No special preparation is needed for this test. However, if you’re scheduled for it, avoid taking certain medications that might affect test results, and inform your provider about any recent illnesses or treatments.
What the Results Mean
If HSV-1 DNA is found in your blood, it suggests an active infection or recent exposure. A negative result means the virus was not detected at the time of testing. Results should always be interpreted by your healthcare provider in the context of your symptoms and medical history.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
HSV-1 DNA detection in blood is primarily useful for confirming active infection, especially in cases where symptoms are unclear or in individuals with immune system issues. It can also guide treatment decisions, such as starting antiviral medications to manage symptoms or reduce transmission risk. Results may also help monitor the effectiveness of treatment over time.
Short name
HSV-1 DNA Blood Test
Frequently asked questions
How long does it take to get results from this test?
Can I have this test if I’m pregnant?
Does this test differentiate between active and latent HSV-1 infection?
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