Respiratory Syncytial Virus (RSV) Antibody Profile (IgG/IgA/IgM) - Serum
This test measures antibodies to the respiratory syncytial virus (RSV) in your blood, which helps identify past infection or immune response.
["This test helps determine if you’ve been exposed to RSV or if your immune system has developed antibodies against it."]
Key facts at a glance
- LOINC
- 88202-7
- Short code
- RSV B RNA Corn/Cnjt Ql NAA+probe
- Synonyms
- RSV B RNA Corn/Cnjt Ql NAA+probe
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- probe-amp-tar
- 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
Why This Test Is Done
Doctors may order this test to diagnose RSV infection in infants, children, or adults with respiratory symptoms, especially if they have a weakened immune system or underlying health conditions. It can also be used to assess immune response after vaccination or prior exposure.
What to Expect Before the Test
No special preparation is needed. You’ll have a small needle inserted into your arm to draw blood. The process usually takes a few minutes, and you may feel a brief pinch. If you’re a child or have trouble sitting still, let your doctor or nurse know so they can help make it more comfortable.
What the Test Results Mean
Positive results for RSV antibodies suggest you’ve had a past infection or been exposed to the virus. The presence of different antibody types (IgG, IgA, IgM) can indicate the timing of exposure or immune response. However, antibody levels alone don’t confirm an active infection—your doctor will consider symptoms and other test results.
Common Symptoms of RSV
RSV can cause symptoms ranging from mild cold-like signs to severe respiratory illness. Common symptoms include runny nose, cough, fever, difficulty breathing, or wheezing. Infants and young children may show signs like fussiness, decreased activity, or breathing difficulties.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
This test is particularly important for identifying RSV in vulnerable populations, such as infants, elderly adults, or those with chronic lung disease, heart conditions, or weakened immune systems. Early diagnosis can guide treatment decisions, such as monitoring symptoms or considering supportive care. Antibody testing can also help track immune responses in research or vaccine studies.
Short name
RSV Antibody Test
Frequently asked questions
How long does it take to get my test results?
Can I have false-positive or false-negative results?
Is this test covered by insurance?
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