Herpes Simplex Virus Antibody, Skin (IgG) - Qualitative
This test detects antibodies to herpes simplex virus (HSV) in your skin fluid, helping identify past or current infection with HSV.
["This test helps determine if you’ve been exposed to herpes simplex virus (HSV) and may support diagnosis of skin-related infections."]
Key facts at a glance
- LOINC
- 31854-3
- Short code
- HSV Ag Skin Ql
- Synonyms
- HSV Ag Skin Ql
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- 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 IgG antibodies specific to HSV in a sample taken from your skin. These antibodies develop after your body has encountered HSV, indicating past infection or ongoing immune response. This is a qualitative test, meaning it provides a yes/no result rather than a measured amount.
Why It Might Be Ordered
Your healthcare provider may order this test if you have symptoms like skin sores, rashes, or lesions that could be caused by HSV, especially if other tests (like viral cultures) are inconclusive or unavailable. It can also be used in certain research or screening contexts where HSV exposure is suspected.
Sample Collection and Preparation
A small sample of fluid from your skin lesion is collected, often using a swab or direct aspiration. The sample is then analyzed in a lab to detect HSV-specific antibodies. This process is typically painless and quick.
What to Expect Before the Test
No special preparation is needed. However, if you have an active skin lesion, it should be clean and free of ointments or creams before sampling to ensure accurate results.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
A positive result indicates the presence of HSV-specific IgG antibodies, suggesting past infection or an ongoing immune response. This does not confirm an active viral infection but may guide further evaluation, such as viral culture or clinical correlation. A negative result means no detectable antibodies were found, which could mean you’ve never been infected or the test was taken too early after exposure.
Short name
HSV Skin Antibody (IgG) - Qualitative
Frequently asked questions
What does a positive result mean?
Will this test show if I currently have an active HSV infection?
Can I take this test if I’m taking antiviral medications?
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