Herpes Simplex Virus Type 2 (HSV-2) Throat Culture
This test checks for the presence of the herpes simplex virus type 2 (HSV-2) in your throat swab. It helps determine if you have an infection caused by this virus.
["A throat culture can help diagnose oral or throat infections caused by HSV-2, which is commonly associated with genital herpes but can also affect the mouth."]
Key facts at a glance
- LOINC
- 44488-5
- Short code
- HSV2 Throat Ql Cult
- Synonyms
- HSV2 Throat Ql Cult
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- organism-specific-culture
- 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 recommend this test if you have symptoms like sore throat, mouth ulcers, or lesions in the throat or mouth, especially if you suspect HSV-2 infection. It may also be used in certain diagnostic evaluations, such as assessing recurrent oral herpes or evaluating immunocompromised patients for viral infections.
What to Expect Before the Test
You will likely have a throat swab performed by a healthcare professional. This is a quick and painless procedure where a sterile swab is gently rubbed along the back of your throat. No special preparation is needed, but avoid eating or drinking for a short time before the test if instructed.
What Happens During the Test
The swab collected is sent to a lab where it is cultured to identify HSV-2. Results may take several days to a week, depending on the lab’s processes. The lab will look for signs of the virus growing in the sample.
What the Results Mean
A positive result indicates the presence of HSV-2 in your throat, confirming an active infection. A negative result means the virus was not detected in this sample, but it does not rule out infection entirely. Repeat testing may be needed if symptoms persist or recur.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
HSV-2 throat cultures are primarily useful for diagnosing oral herpes in patients with suspected infection. While HSV-2 is often associated with genital herpes, it can cause oral symptoms. Early diagnosis helps guide treatment and management strategies, especially in immunocompromised individuals or those with recurrent infections.
Short name
HSV-2 Throat Culture
Frequently asked questions
How long does it take to get the results of this test?
Can I eat or drink before the throat swab?
Is there any pain or discomfort during the throat swab?
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