Influenza A and B Virus Nucleic Acid Detection by Sequencing (Serum/Plasma)
This test checks for the genetic material (RNA) of the influenza viruses A and B in your blood. It helps determine if you have an active infection caused by these viruses.
["Determines if you may have flu-related illness requiring medical attention."]
Key facts at a glance
- LOINC
- 93760-7
- Short code
- FLUAV PB1 gene Islt-Seq
- Synonyms
- FLUAV PB1 gene Islt-Seq
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- sequencing
- 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
The test involves collecting a small amount of blood from a vein in your arm. The blood sample is then analyzed using advanced sequencing technology to detect the genetic material of influenza viruses A and B. This process identifies whether the viruses are present in your system.
When You Might Need This Test
Your healthcare provider may recommend this test if you have symptoms like fever, cough, sore throat, body aches, or fatigue that could be consistent with influenza. It’s also used in certain settings like hospitals or long-term care facilities to monitor for outbreaks.
What to Expect Before the Test
There are no special preparations needed for this test. You can eat, drink, or take medications as usual on the day of the test. If you’re on blood-thinning medications, let your healthcare provider know before the test.
What to Expect During the Test
The test is quick and usually done in a clinic or lab setting. You’ll have a small needle inserted into your arm to draw blood. The process takes about 5 minutes, and you may feel a slight pinch or discomfort, but it’s generally well-tolerated.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
This test is crucial for diagnosing influenza early, which can help guide treatment decisions. Detecting the virus quickly allows for prompt administration of antiviral medications if needed, which can reduce the severity and duration of symptoms. It’s also important for public health monitoring and controlling outbreaks in communities.
Short name
Influenza Virus RNA Test
Frequently asked questions
Why was I asked to take this test?
What does a positive result mean?
How soon will I get my results?
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