Skip to content

Human Herpesvirus 6 DNA in Whole Blood by Nucleic Acid Probe

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

This test detects the presence of genetic material from Human Herpesvirus 6 (HHV-6) in your blood. It may be used to help diagnose or monitor conditions related to HHV-6 infection.

Quick summary

["This test checks for HHV-6 DNA in your blood, which can help identify or track infections or reactions to this virus."]

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

Key facts at a glance

LOINC
33941-6
Short code
HHV6 DNA Bld Ql NAA+probe
Synonyms
HHV6 DNA Bld Ql NAA+probe
Category
chemistry
Sample
whole-blood
Container
Lavender-top (EDTA)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
probe-amp-tar
Specimen volume
3 mL
Stability
Room temperature: 4h, Refrigerated: 24h
Hemolysis max
0
Lipemia max
0
Icterus max
0
TAT
4–24 hours
Order
routine

Why This Test Might Be Ordered

Your healthcare provider may recommend this test if you have symptoms suggestive of HHV-6 infection, such as fever, rash, or neurological issues. It could also be used in research, clinical trials, or to monitor patients with certain immune conditions or after organ transplants.

What to Expect Before the Test

No special preparation is typically needed. You may have a simple blood draw, similar to other routine blood tests. If you’re on blood-thinning medication, let your provider know before the test.

What the Test Results Mean

Positive results indicate the presence of HHV-6 DNA in your blood, suggesting an active infection. Negative results mean no detectable HHV-6 DNA was found at the time of testing. Results may vary depending on the clinical context and timing of testing.

Common Uses and Clinical Contexts

This test is often used in specialized settings, such as diagnosing febrile seizures in children, evaluating transplant patients for rejection or infection, or studying HHV-6’s role in autoimmune or neurological diseases.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

HHV-6 DNA Test

Frequently asked questions

How often will I need this test?
The frequency depends entirely on your healthcare provider’s recommendations. Some patients may need retesting if symptoms persist or if monitoring a specific condition related to HHV-6.
What are the potential side effects of this test?
Blood draws are generally safe, but you may experience mild discomfort or bruising at the site. Rarely, there could be a slight swelling or redness. If you experience excessive bleeding or signs of infection, contact your provider.
Can this test be done at home?
No, this test requires a medical professional to collect a blood sample in a laboratory setting. Home-based tests for viral DNA detection are not standard for this specific test.
  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