Fluorescent Immunoassay for Avian Influenza Virus Antibodies (Serum/Plasma)
This test detects antibodies in your blood that your immune system makes in response to exposure to avian influenza (bird flu) viruses.
["Helps determine if you’ve been exposed to avian flu, though symptoms are rare in humans."]
Key facts at a glance
- LOINC
- 39295-1
- Short code
- FLUAV Ab Egg Yolk Ql ID
- Synonyms
- FLUAV Ab Egg Yolk Ql ID
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- immune-diffusion
- 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
This test measures the level of antibodies in your blood that your immune system produces in response to avian influenza, commonly known as bird flu. Antibodies are proteins your body makes to help fight off specific viruses. By detecting these proteins, the test can show whether you have been exposed to the avian flu virus in the past or have developed an immune response after an infection.
The test uses a fluorescent immunoassay to identify specific antibodies produced by your immune system after exposure to avian influenza viruses. These antibodies may appear days to weeks after exposure, depending on the timing and type of exposure.
Your doctor may recommend this test if you have symptoms of a respiratory illness and have had close contact with infected birds or poultry, or if you have traveled to an area where avian flu outbreaks have occurred. It may also be used to monitor workers on poultry farms or in laboratories, or to help public health officials determine how widely the virus has spread in a community.
Healthcare providers may order this test if you’ve had close contact with infected birds, traveled to regions with avian flu outbreaks, or experienced symptoms that could suggest a viral infection (though avian flu in humans is uncommon). It’s not typically used for routine screening.
No special preparation is usually needed before this test. You do not need to fast or stop taking your regular medications unless your doctor gives you specific instructions. Let your healthcare provider know about any medications, supplements, or recent illnesses, and mention any possible exposure to birds. A blood sample will be drawn from a vein in your arm, so wear clothing that allows easy access to your arm.
No special preparation is needed. Bring any recent travel or exposure history to your doctor. The blood sample is drawn from a vein, similar to other blood tests.
After your blood sample is collected, a small bandage or cotton pad will be placed over the puncture site. You may notice slight bruising or tenderness, but this usually goes away within a day or two. You can return to your normal activities right away. Results may take several days, and your doctor will contact you to explain what they mean and whether any follow-up testing or treatment is needed.
You may experience mild bruising or soreness at the injection site. Results are usually available within a few days, but timing depends on the lab.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Clinical Significance: Understanding Results
Short name
Avian Flu Antibody Test
Frequently asked questions
Positive results indicate the presence of antibodies, suggesting prior exposure to avian influenza. However, this does not confirm active infection. Negative results mean no detectable antibodies were found at the time of testing, but exposure could still have occurred without antibody development.
Avian flu antibodies may persist for months to years after exposure, but their exact duration varies. If you suspect recent exposure, retesting may be needed for clarity.
What should I do if I have concerns about avian flu exposure?
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