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Choose collection locationImmunology / Serology · Individual laboratory test
Dengue IgG detects an antibody that can persist after past infection. One positive sample cannot determine when infection occurred.
Clinical authorDr Nirupama SabhapathySpecialist Clinical Pathology
Understanding the test
Also called Past Dengue Antibody (IgG)
IgG may contribute to a clinician's assessment of previous dengue exposure. A single IgG result is unsuitable as the sole test for acute dengue.
IgG can persist after infection and may be present when symptoms have another cause.
The illness day and other dengue investigations determine what IgG can add.
Before your sample
No fasting is needed. Record the first day of fever, travel dates, previous dengue and any relevant vaccination before the appointment.
A clinician takes a small sample of blood from a vein. The laboratory uses serum, the liquid separated from the blood after it clots.
Smart Report
24 hoursLaboratory turnaround
Prior flavivirus infection or vaccination can complicate antibody findings. The collection date and other dengue tests are important when fever is current.
From sample to follow-up

Choose your location, add the test to your care bag and select a time. If you are booking for someone else, assign the test to them in checkout.
Choose collection locationLook for Dengue Antibody, IgG, Rapid Detection Test in your report. Use the sample type and collection time when comparing it with an earlier report.
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Bring fever onset, travel dates, vaccinations and earlier dengue results so the clinician can assess whether the antibody fits the current illness.
Patient questions
No. Illness timing, past exposure, vaccination and tests directed at current infection all matter. Suspected dengue needs prompt medical assessment.
Antibodies against related viruses may cross-react in dengue antibody tests. Give your clinician your travel and vaccination history.
A clinician may compare acute and later samples or choose molecular or antigen testing depending on the day of illness. A single IgG measurement cannot establish when infection occurred.
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Written by Dr Nirupama Sabhapathy, Specialist Clinical Pathology. Medically reviewed by Dr Joyce Jose, Specialist Clinical Pathology, on .
Catalogue information and AED price checked on 2 November 2026. Clinical suitability, preparation, collection arrangements and turnaround are confirmed for your selected test.