Herpes Simplex Virus Type 2 DNA Detection by Quantitative Nucleic Acid Amplification (Throat Swab)
This test checks for the presence of herpes simplex virus type 2 (HSV-2) genetic material in a throat swab sample. It helps determine if you have genital herpes caused by HSV-2.
["This test helps diagnose genital herpes by detecting the virus in your throat."]
Key facts at a glance
- LOINC
- 106557-2
- Short code
- HSV2 DNA Throat Ql NAA+probe
- Synonyms
- HSV2 DNA Throat 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
What This Test Measures
The test looks for genetic material (DNA) from HSV-2, the virus responsible for genital herpes. A throat swab is used to collect a sample from your throat. This sample is then analyzed using a sensitive nucleic acid amplification technique to detect the virus.
Why It’s Done
Your healthcare provider may recommend this test if you have symptoms like sores or lesions in the genital area, or if you have a history of genital herpes. It can also be used during pregnancy to check for HSV-2 infection.
What to Expect Before the Test
No special preparation is needed. You may have a throat swab performed by a healthcare professional. This is usually quick and painless.
What to Expect During the Test
A healthcare provider will collect a sample from your throat using a sterile swab. You may experience a slight tickle or discomfort, but it shouldn’t cause significant pain.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
This test is crucial for diagnosing genital herpes caused by HSV-2. Early detection allows for appropriate treatment, management of outbreaks, and prevention of complications. It can also help in planning prenatal care if you are pregnant.
Short name
HSV-2 DNA Throat Swab Test
Frequently asked questions
How accurate is this test?
Can this test detect HSV-2 in other parts of my body?
What does a positive result mean?
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