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Herpes Simplex Virus Antibody, Serum (Qualitative)

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

This test checks for antibodies to herpes simplex virus (HSV), which your immune system produces in response to past or current infection by HSV-1 or HSV-2. Antibodies indicate exposure to the virus, not necessarily an active infection.

Quick summary

["This test helps determine if you’ve been exposed to herpes simplex virus, which can cause cold sores or genital herpes."]

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

Key facts at a glance

LOINC
5202-7
Short code
HSV Ab Ser IA-aCnc
Synonyms
HSV Ab 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
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 order this test if you have symptoms like sores, pain, or unusual rashes that could be caused by HSV. It may also be used to confirm a diagnosis in people with recurrent outbreaks or to screen for past exposure, especially in high-risk groups like pregnant women or those with weakened immune systems.

What to Expect Before the Test

No special preparation is needed. You’ll provide a blood sample, usually drawn from a vein in your arm. The test is quick and typically done in a lab setting.

What the Test Results Mean

A positive result means your blood contains antibodies to HSV, suggesting past exposure. A negative result means no detectable antibodies were found, but this doesn’t rule out possible infection if symptoms are present. Results may take a few days to a week to receive.

Possible Results and Next Steps

If you have symptoms like sores or pain, a positive result may confirm HSV infection. If you’re pregnant or have a high-risk condition, follow-up testing or treatment may be recommended. If results are unclear, your provider may repeat the test or order additional tests.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

HSV Antibody Test

Frequently asked questions

What does a positive result mean?
A positive result indicates your immune system has detected HSV antibodies, meaning you’ve likely been exposed to the virus at some point. This doesn’t always mean you’re currently infected, but it confirms past or potential exposure. Your healthcare provider will discuss next steps based on your symptoms and medical history.
Can a negative result mean I have HSV?
A negative result means no detectable antibodies were found in this test. However, it’s possible you have HSV if you have active symptoms. If you suspect herpes, your provider may recommend retesting or other diagnostic methods, such as viral culture or PCR testing, to confirm an active infection.
How long does it take to get results?
Results typically take a few days to a week to process and return. Your healthcare provider will contact you once they have the results and explain what they mean for your situation.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

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.

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