DENV IgA Antibody, Serum (Qualitative Immunoassay)
This test detects the presence of Immunoglobulin A (IgA) antibodies against the Dengue virus in your serum. IgA antibodies are part of your immune response to past or current infection.
["IgA antibodies can help identify if you’ve had Dengue virus exposure, though they may not appear immediately after infection."]
Key facts at a glance
- LOINC
- 95706-8
- Short code
- DENV IgA Spec Ql IA
- Synonyms
- DENV IgA Spec Ql IA
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- ia
- CPT
- 82784
- 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
What Does This Test Measure?
The test measures IgA antibodies specific to the Dengue virus. These antibodies are produced by your immune system in response to infection. IgA is one type of antibody that can help fight infections and is often found in mucosal tissues and fluids, including blood serum. This test is qualitative, meaning it only tells you whether antibodies are present or not, rather than how much.
Why Might You Need This Test?
You may need this test if you have symptoms of Dengue fever (e.g., fever, headache, body aches, nausea) and suspect you’ve been exposed to the Dengue virus. It can also be used in research or certain diagnostic contexts to assess immune response to Dengue.
What Does a Positive Result Mean?
A positive result indicates the presence of Dengue-specific IgA antibodies in your blood. This suggests you may have had a past infection or are currently experiencing an immune response to Dengue. However, IgA antibodies alone are not definitive for acute infection and may not appear immediately after exposure.
What Does a Negative Result Mean?
A negative result means no detectable IgA antibodies against the Dengue virus were found in your serum. This does not necessarily mean you are not infected; it could mean the infection is too recent or too early in your immune response for IgA antibodies to be present yet.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
IgA antibodies to Dengue virus can be useful in diagnosing past infection or assessing immune response, particularly in certain clinical settings. They are less commonly used than other antibody tests (such as IgM or IgG) for acute infection detection, as they may not appear quickly after exposure. This test is primarily qualitative and used for research or specific diagnostic purposes where IgA-specific detection is required.
Short name
DENV IgA Antibody
Frequently asked questions
How Is This Test Performed?
What Are Common Causes of False Results?
Can This Test Be Used to Diagnose Dengue Fever?
Sources
- 1
- 2Lab Tests OnlineSource
- 3
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.
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