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Herpes Simplex Virus Type 1 DNA (Serum/Plasma) by Qualitative Nucleic Acid Amplification Test (QNAP)

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

This test detects the presence of genetic material from Herpes Simplex Virus Type 1 (HSV-1) in your blood, which may indicate an active infection.

Quick summary

["The test helps identify if you have an active HSV-1 infection that may require medical attention."]

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

Key facts at a glance

LOINC
20444-6
Short code
HSV1+2 DNA Spec Ql NAA+probe
Synonyms
HSV1+2 DNA Spec Ql NAA+probe
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 Might Be Ordered

Your healthcare provider may recommend this test if you have symptoms like sores, fever, or other signs of infection, or if you have a history of HSV-1 exposure. It can also be used to confirm suspected infections in certain clinical situations.

What to Expect Before the Test

No special preparation is needed. You will provide a blood sample, usually drawn from a vein in your arm. If you are on blood-thinning medication, inform your provider beforehand.

What the Test Results Mean

A positive result means the virus’s genetic material is detected in your blood, suggesting an active HSV-1 infection. A negative result means the virus was not detected in this sample. Results should be interpreted by your healthcare provider in the context of your symptoms and medical history.

Common Reasons for Testing

This test is primarily used to diagnose active HSV-1 infections, especially when symptoms are present or when other diagnostic methods are inconclusive.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

HSV-1 DNA Test (Serum/Plasma)

Frequently asked questions

How long does it take to get results from this test?
Results are typically available within 1 to 3 business days, depending on lab processing times. Your healthcare provider will contact you with the results.
What are the possible symptoms of HSV-1 infection?
Symptoms may include painful sores or blisters around the mouth or face, fever, swollen lymph nodes, and general fatigue. Some people may not have noticeable symptoms.
Can HSV-1 be spread through blood?
Yes, HSV-1 can be spread through bodily fluids, including blood, during active infection. However, it is generally not transmitted through casual contact like sharing food or utensils.
  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