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Herpes Simplex Virus 2 Antibody, Total (Serum/Plasma)

Published: August 9, 2026Updated: August 16, 2026

This test measures the presence of antibodies against herpes simplex virus type 2 (HSV-2) in your blood. Antibodies are your body’s immune response to past or current infection.

Quick summary

["This test helps determine if you’ve been exposed to HSV-2 or if you have an active infection."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
44493-5
Short code
HSV2 Ab CSF Ql
Synonyms
HSV2 Ab CSF Ql
Category
chemistry
Sample
csf
Container
Sterile tube
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Specimen volume
1-2 mL
Stability
Immediate analysis required, Refrigerated: 1h
Hemolysis max
200
TAT
4–24 hours
Order
routine

Why This Test Might Be Ordered

Your healthcare provider may recommend this test if you have symptoms like sores, pain, or unusual discharge, especially in the genital area. It’s also used to confirm a diagnosis of genital herpes caused by HSV-2, screen for past exposure, or check for recurrence of symptoms. Sometimes, it’s part of a routine checkup for individuals at higher risk of sexually transmitted infections.

What to Expect During the Test

A small amount of blood is drawn from a vein in your arm. You may feel a slight pinch, but it usually doesn’t cause much discomfort. The blood is then sent to a lab for testing. Results are typically available within a few days.

Understanding Your Results

If your test is positive, it means your body has detected antibodies to HSV-2, indicating past exposure or infection. A negative result means no detectable antibodies were found at this time. Remember, a negative result doesn’t guarantee you’re completely free of HSV-2, as testing may not always detect early or inactive infections.

What It Means for Your Health

Having HSV-2 antibodies can affect how you manage your health and relationships. If you’re diagnosed with HSV-2, your healthcare provider may recommend antiviral medications to manage symptoms, reduce outbreaks, and lower the risk of transmitting the virus to others. Regular follow-ups and open communication with your provider are important to monitor your health and address any concerns.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Short name

HSV-2 Antibody Test

Frequently asked questions

How often will I need to get this test?
The frequency of testing depends on your medical history, symptoms, and risk factors. If you have recurrent symptoms or are at higher risk, your healthcare provider may recommend retesting. There’s no standard schedule for everyone, so follow your provider’s advice.
Can I have false-positive or false-negative results?
Yes, both false-positive and false-negative results can occur. False positives may happen if you have been exposed to other viruses or if there are errors in testing. False negatives can occur if testing is done too early after exposure or if the infection is very mild. Always discuss your results with your healthcare provider.
Does this test show if I currently have an active infection?
No, this test measures antibodies, which indicate past exposure or infection, not necessarily an active infection at the time of testing. If you suspect an active infection, your healthcare provider may recommend additional tests or clinical evaluation.
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

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