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Herpes Simplex Virus Type 1 DNA (Quantitative) in Saliva

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

This test measures the amount of genetic material from the herpes simplex virus type 1 (HSV-1) in your saliva. It helps determine if you have an active infection or have been exposed to the virus.

Quick summary

["This test helps diagnose or monitor herpes simplex virus type 1 infection in saliva samples."]

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

Key facts at a glance

LOINC
80353-6
Short code
HSV 1 DNA pol regB+TK regC Anogn Ql NAA+pr
Synonyms
HSV 1 DNA pol regB+TK regC Anogn Ql NAA+pr
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
probe-amp-tar
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 recommend this test if you have symptoms like sores, pain, or unusual rashes in the mouth or genital area that could be caused by HSV-1. It may also be used to confirm a diagnosis in cases where symptoms are unclear or to check for infection in individuals without obvious symptoms, such as newborns or those with weakened immune systems.

What to Expect Before the Test

No special preparation is needed. You will provide a saliva sample, typically collected by swabbing your inner cheek or spitting into a container. This is usually done in a clinical setting or at home if instructed.

What the Test Results Mean

Positive results indicate the presence of HSV-1 DNA, suggesting active infection. Negative results mean no detectable virus DNA was found in the sample. The presence of HSV-1 DNA does not distinguish between active infection and past infection.

Common Symptoms of HSV-1 Infection

HSV-1 often causes cold sores or fever blisters around the mouth and face. Some people may have no symptoms at all, but the virus can still be present and spread. Symptoms can include tingling, burning, or pain before sores appear, followed by red, swollen areas that develop into blisters.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

This test is crucial for diagnosing HSV-1 infections early, especially in cases where symptoms are mild or atypical. It helps guide treatment decisions, such as antiviral medications, and can inform decisions about close contacts to prevent transmission. Regular monitoring with this test may also be important for individuals with recurrent infections or those managing chronic conditions like HIV.

Short name

HSV-1 DNA Test (Saliva)

Frequently asked questions

How long does it take to get the results of this test?
Results are typically available within 1 to 3 business days, depending on the laboratory and testing process. Your healthcare provider will contact you with the results once they are ready.
Can this test detect past infection from HSV-1?
No, this test specifically measures the presence of HSV-1 DNA in saliva, which indicates an active infection. It does not detect past infection or antibodies produced by the immune system in response to the virus.
Is there any risk or discomfort associated with this test?
There is generally no discomfort. You may experience mild tingling or a slight taste in your mouth during sample collection, but it is usually temporary and not painful.
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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