Herpes Simplex Virus Type 2 Antibody, Qualitative (IgG) - Serum/Plasma
This test checks for antibodies to herpes simplex virus type 2 (HSV-2), which causes genital herpes. Antibodies indicate past or current infection.
["This screening helps determine if you’ve been exposed to HSV-2, even if you don’t have symptoms."]
Key facts at a glance
- LOINC
- 88679-6
- Short code
- HSV2 Ag Corn/Cnjt Ql IF
- Synonyms
- HSV2 Ag Corn/Cnjt Ql IF
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- if
- 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 Matters
Herpes simplex virus type 2 (HSV-2) is the primary cause of genital herpes. While some people may not have symptoms, the virus can still be present and spread. This test helps identify if you have antibodies to HSV-2, which means you’ve likely been exposed to the virus at some point. It’s important for understanding your health status, especially if you’re pregnant, sexually active, or considering pregnancy.
What to Expect Before the Test
No special preparation is needed for this test. You’ll provide a blood sample, usually drawn from your arm. The sample is collected in a tube and sent to the lab for analysis. Results are typically available within a few days.
What the Results Mean
A positive result means your blood contains antibodies to HSV-2, suggesting past infection. A negative result means no detectable antibodies were found in your sample at this time. Antibodies don’t always appear immediately after exposure, so a negative result doesn’t definitively rule out infection. If you suspect you’ve been exposed, your healthcare provider may recommend additional testing.
When This Test Might Be Ordered
Your healthcare provider may order this test if you have symptoms of genital herpes, such as sores or itching in the genital area. It’s also commonly used during pregnancy to check for HSV-2 infection. Additionally, it may be recommended if you have a history of sexually transmitted infections (STIs) or if you’re considering pregnancy and want to assess your risk.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
◆Associated findings1
Short name
HSV-2 Antibody Screen
Frequently asked questions
What does a positive result mean?
Can I still get tested if I have active herpes sores?
How long does it take to get results?
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