Fluorescent Immunoassay for Antigen in Nasopharyngeal or Bronchial Secretions (e.g., Respiratory Virus Detection)
This test detects specific viruses in your nasal or throat secretions using a fluorescent antibody method. It helps identify common respiratory infections, such as colds, flu, or other viral illnesses.
["Quickly identifies possible viral infections in your upper respiratory tract."]
Key facts at a glance
- LOINC
- 44562-7
- Short code
- FLUAV Ag Bronch Ql
- Synonyms
- FLUAV Ag Bronch Ql
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- 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
How the Test Works
A small sample of your nasal or throat secretions is collected and tested for the presence of certain viruses. The test uses fluorescent markers to identify viral particles, which are then detected and analyzed. This method is highly sensitive and can help confirm a viral infection quickly.
What to Expect Before the Test
You may have a quick nasal or throat swab performed by a healthcare provider. The sample is then sent to a lab for processing. No special preparation is needed, but inform your provider if you are taking certain medications that might affect test results.
Common Viruses Detected
This test can identify a range of respiratory viruses, including but not limited to influenza (flu), respiratory syncytial virus (RSV), rhinovirus (common cold), adenovirus, and coronavirus. The specific viruses detected may vary depending on the test kit used.
When the Test Might Be Ordered
Your healthcare provider may recommend this test if you have symptoms like cough, sore throat, runny nose, fever, or difficulty breathing. It is often used in settings like urgent care centers, hospitals, or during outbreaks to quickly diagnose and manage respiratory infections.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Early identification of respiratory viruses is crucial for effective treatment and management. Knowing the specific virus can guide treatment choices, such as antiviral medications for influenza, and helps in isolating infected individuals to prevent spread. It also aids in monitoring outbreaks and public health efforts.
Short name
Respiratory Virus Fluorescent Test
Frequently asked questions
What are the typical symptoms that might lead to this test?
Is there any preparation required before taking this test?
How soon can I expect results after the test?
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