Herpes Simplex Virus Type 1 DNA (Serum/Plasma) Qualitative Probe
This test detects the presence of genetic material from the herpes simplex virus type 1 (HSV-1) in your blood. It helps determine if you have an active infection or if the virus is present in your system.
["This test can help diagnose active HSV-1 infection or assess viral load in certain clinical scenarios."]
Key facts at a glance
- LOINC
- 62473-4
- Short code
- HSV1 DNA # BAL NAA+probe
- Synonyms
- HSV1 DNA # BAL 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 This Test Measures
The test looks for the DNA sequence of HSV-1, which is unique to the virus. If the virus is actively replicating in your bloodstream, its DNA will be detected. This method uses a specialized probe to identify the viral genetic material with high sensitivity.
Why It Might Be Ordered
Your healthcare provider may recommend this test if you have symptoms suggestive of HSV-1 infection (such as sores, fever, or neurological symptoms), if you have a history of HSV-1 exposure, or if you are being evaluated for conditions linked to viral load monitoring (e.g., certain immunocompromised states).
Sample Collection and Preparation
A blood sample is drawn from a vein in your arm. The blood is then processed to separate the serum or plasma, which is tested for the presence of HSV-1 DNA. This test does not require fasting.
What to Expect Before the Test
No special preparation is needed. You may experience mild discomfort or bruising at the injection site, but this usually resolves quickly. If you are on blood-thinning medications, inform your provider before the test.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
This qualitative test confirms the presence of HSV-1 DNA in your blood, which can indicate an active infection. It is particularly useful in diagnosing HSV-1 in cases where traditional culture methods are less reliable or when monitoring viral load in immunocompromised patients. Results can guide treatment decisions, such as antiviral therapy, and help manage outbreaks or chronic infections.
Short name
HSV-1 DNA Test (Qualitative)
Frequently asked questions
What does a positive result mean?
What does a negative result mean?
Can this test be used to determine if I have been exposed to HSV-1?
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