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Herpes Simplex Virus 1 Antibody, Detecting Nucleic Acid (Serum/Plasma)

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

This test measures antibodies to the herpes simplex virus type 1 (HSV-1), a common virus that can cause cold sores and other infections. It helps determine if your immune system has ever encountered HSV-1.

Quick summary

["This test helps diagnose past infection with HSV-1, even if you don’t currently have symptoms."]

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

Key facts at a glance

LOINC
109555-3
Short code
HSV1 DNA Msmt Amn
Synonyms
HSV1 DNA Msmt Amn
Category
chemistry
Sample
fluid
Container
Sterile tube
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Specimen volume
2-5 mL
Stability
Room temperature: 2h, Refrigerated: 24h
Hemolysis max
300
TAT
4–24 hours
Order
routine

Why This Test Might Be Ordered

Your healthcare provider may recommend this test if you have a history of cold sores, recurrent oral or genital sores, or if you’ve been exposed to someone with HSV-1. It can also be used in research or certain diagnostic contexts where confirming past infection is important.

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. If you’re concerned about needles, let your healthcare provider know.

What the Test Results Mean

Positive results indicate your body has produced antibodies against HSV-1, suggesting past infection. Negative results mean no detectable antibodies were found at this time.

Common Uses and Limitations

This test is primarily used to confirm past HSV-1 exposure rather than diagnose active infection. It doesn’t replace other tests like viral culture or PCR for current infections.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

While HSV-1 antibodies don’t affect treatment directly, they’re useful for understanding exposure history. They can also help in research, genetic studies, or certain clinical research protocols.

Short name

HSV-1 Antibody (Nucleic Acid)

Frequently asked questions

Will this test show if I currently have HSV-1?
No. This test detects antibodies, which appear after your body has fought off the virus. For active infection, other tests like viral culture or PCR are needed.
Can I get this test if I’ve never had symptoms?
Yes, if you’ve been exposed to HSV-1 (even without symptoms) or have a family history of cold sores, this test can help determine if your immune system has encountered the virus.
How long does it take to get results?
Results are typically available within 1–3 business days, depending on your lab’s processing time.
  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