Herpes Simplex Virus IgG Antibody, Serum (Quantitative)
This test measures the level of antibodies in your blood that your immune system produces in response to the herpes simplex virus (HSV). These antibodies help your body recognize and fight the virus if it tries to infect you again.
["Helps assess past exposure to HSV and immune response tracking."]
Key facts at a glance
- LOINC
- 53560-9
- Short code
- HSV IgM Ser IA-aCnc
- Synonyms
- HSV IgM Ser IA-aCnc
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- ia
- CPT
- 82784
- 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 Might Be Ordered
Your healthcare provider may recommend this test if you have symptoms or a history of herpes (e.g., cold sores or genital herpes), or if you’re being evaluated for conditions where HSV exposure could be relevant, such as certain infections or immune system assessments.
What to Expect Before the Test
No special preparation is needed. You’ll have a small needle inserted into your arm to draw blood. It usually takes a few minutes. If you’re pregnant, breastfeeding, or have certain medical conditions, let your provider know before the test.
What the Test Results Mean
A positive result means your body has produced antibodies against HSV, indicating past infection. The exact meaning depends on your clinical situation—your provider will interpret results with you.
Common Reasons for Testing
This test is often used to diagnose past HSV infection (not active outbreaks), monitor immune responses, or screen for conditions where HSV exposure is a factor, such as certain congenital or immune-related disorders.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
This test is primarily used to detect evidence of prior herpes simplex virus infection by measuring IgG antibodies. It’s not for diagnosing active herpes outbreaks (which would require viral testing). Results help guide treatment decisions, especially in high-risk groups or for conditions where HSV could have implications.
Short name
IgG Antibody to HSV (Serum)
Frequently asked questions
What does a positive result mean for my health?
Can I get this test at home?
How long will it take to get my 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