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Antibody to Dengue Virus, IgG (Qualitative Immunoassay)

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

This test checks for the presence of antibodies against dengue virus in your blood. Antibodies are your body’s immune response to infection.

Quick summary

["Determines if your immune system has ever encountered dengue virus."]

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

Key facts at a glance

LOINC
87993-2
Short code
T gondii DNA BldCo Ql NAA+probe
Synonyms
T gondii DNA BldCo 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’ve had symptoms suggestive of dengue fever (e.g., fever, headache, body aches) or if you’ve traveled to areas where dengue is common. It can also help monitor long-term immunity or assess exposure in research or public health settings.

What to Expect During the Test

A small blood sample is drawn from a vein in your arm. The sample is then tested using an immunoassay method to detect dengue-specific antibodies. Results are qualitative (positive or negative) rather than a specific quantity.

How the Results Are Interpreted

A positive result means your body has produced antibodies against dengue, indicating past infection. A negative result suggests no detectable antibodies, meaning either you’ve never been infected or the test was taken too soon after exposure.

What This Means for Your Health

A positive result doesn’t guarantee past illness—your body may have made antibodies without symptoms. It’s not a diagnostic test for current dengue infection but confirms prior exposure. Always consult your provider for clinical correlation.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance: Dengue IgG Antibody Testing

Short name

Dengue IgG Antibody (Qualitative)

Frequently asked questions

Could I get dengue virus again if I test positive for IgG antibodies?
Yes, dengue virus can cause repeated infections. While IgG antibodies provide some immunity, they don’t last forever, and reinfection is possible. If you’ve traveled to high-risk areas, your provider may recommend additional testing or precautions.
What does a negative result mean if I’ve had symptoms of dengue?
A negative result means no detectable IgG antibodies were found at the time of testing. This could mean the test was taken too soon after exposure (antibodies may take weeks to develop) or you never had an infection. Your provider may retest later or order other tests for current infection.
Is this test the same as a dengue virus PCR test?
No. This test detects antibodies (IgG) produced after a past infection, while a PCR test looks for the virus itself in your blood or tissues during an active infection. They serve different purposes in diagnosis and monitoring.
  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