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Herpes Simplex Virus Type 1 DNA in Serum/Plasma (Quantitative)

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

This test measures the amount of genetic material (DNA) from Herpes Simplex Virus Type 1 (HSV-1) in your blood. It helps determine if you have an active infection or if the virus is present in your system.

Quick summary

["Understanding your HSV-1 DNA levels can help guide treatment and management of herpes infections."]

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

Key facts at a glance

LOINC
82190-0
Short code
HSV1 DNA CSF Ql NAA+n-prb
Synonyms
HSV1 DNA CSF Ql NAA+n-prb
Category
chemistry
Sample
csf
Container
Sterile tube
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
non-probe-amp-tar
Specimen volume
1-2 mL
Stability
Immediate analysis required, Refrigerated: 1h
Hemolysis max
200
TAT
4–24 hours
Order
routine

What Does This Test Measure?

The test detects the presence of HSV-1 DNA in your blood, which can indicate whether the virus is currently active or if it has been present in your body. This genetic material is taken from your serum or plasma, the liquid part of your blood that carries antibodies and other substances.

Why Might You Need This Test?

Your healthcare provider may recommend this test if you have symptoms of herpes (such as sores, pain, or flu-like symptoms), if you have a history of HSV-1, or if you are being evaluated for recurrent infections. It can also be used to monitor treatment effectiveness or assess risk in certain clinical scenarios.

How Is the Test Performed?

A blood sample is drawn from a vein, usually in your arm. The blood is then processed to separate the serum or plasma, which is tested for HSV-1 DNA using advanced laboratory techniques, such as polymerase chain reaction (PCR).

What Do the Results Mean?

Results can be positive (indicating HSV-1 DNA is present) or negative (no detectable DNA). A positive result suggests active infection or viral presence, but it does not always correlate directly with symptoms. Consult your healthcare provider for interpretation based on your clinical picture.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Short name

HSV-1 DNA Test

Frequently asked questions

How often will I need this test?
This test may be performed once or multiple times depending on your medical needs, such as monitoring recurrent infections, evaluating treatment response, or assessing viral load in specific clinical situations. Your healthcare provider will determine the frequency based on your situation.
What are the typical reference ranges?
There are no standard reference ranges for HSV-1 DNA levels in blood because the test is qualitative or semi-quantitative in clinical practice. Results are interpreted based on clinical context rather than absolute numeric values.
Can this test be done at home?
No, this test requires a blood sample collected by a healthcare professional in a clinical setting. Home testing kits are not available for this specific test.
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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