Herpes Simplex Virus Type 1 DNA (Serum/Plasma) Quantitative Probe Test
This test detects the presence of genetic material from the herpes simplex virus type 1 (HSV-1) in your blood. It helps assess whether you have an active infection or if the virus is present in your system.
["This test can help diagnose or monitor herpes simplex virus type 1 infections."]
Key facts at a glance
- LOINC
- 88128-4
- Short code
- HSV1 DNA Corn/Cnjt Ql NAA+probe
- Synonyms
- HSV1 DNA Corn/Cnjt 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 Might Be Ordered
Your healthcare provider may order this test if you have symptoms of an HSV-1 infection, such as sores or lesions, or if you have recurrent outbreaks. It may also be used to evaluate individuals with suspected primary infection or to monitor those with chronic infections, especially in immunocompromised patients.
What to Expect Before the Test
No special preparation is typically needed. You may have a blood sample drawn from a vein in your arm, similar to other blood tests. If you are taking blood-thinning medications or have a history of bleeding disorders, inform your healthcare provider beforehand.
What the Test Results Mean
Positive results indicate the presence of HSV-1 DNA in your blood, suggesting an active infection. The amount of virus detected can sometimes correlate with the severity of symptoms or disease activity. Results are qualitative (present or absent) based on the probe method used.
Common Reasons for Testing
This test is often used to confirm a diagnosis of HSV-1 infection when clinical symptoms are present, to determine the need for antiviral treatment, or to guide decisions about antiviral prophylaxis in high-risk individuals.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
HSV-1 DNA detection in blood can indicate active infection, which is crucial for initiating appropriate antiviral therapy. It can also help in assessing the effectiveness of treatment or managing chronic infections in individuals with weakened immune systems. However, it is important to note that HSV-1 is commonly found in saliva and other body fluids, so results should be interpreted in the context of clinical symptoms and other diagnostic findings.
Short name
HSV-1 DNA Test
Frequently asked questions
What does a positive result mean?
How long does it take to get the results?
Can HSV-1 DNA be detected in other body fluids besides blood?
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