Respiratory Syncytial Virus (RSV) Lineage Identification (Serum/Plasma)
This test identifies which specific strain of respiratory syncytial virus (RSV) you may have, helping healthcare providers tailor treatment or prevention strategies.
["Determining your RSV lineage can guide personalized care, especially for high-risk groups."]
Key facts at a glance
- LOINC
- 107580-3
- Short code
- RSV lineage Spec
- Synonyms
- RSV lineage Spec
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- molgen
- 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 Matters
RSV is a common virus that can cause respiratory infections, often leading to symptoms like cough, fever, or breathing difficulties. Identifying the exact lineage (A or B) helps doctors decide if antiviral treatments or preventive measures like palivizumab (Synagis) are needed, particularly for infants, elderly individuals, or those with chronic conditions.
When You Might Need This Test
Your doctor may recommend this test if you or a child shows signs of RSV infection, especially if you’re in a high-risk group (e.g., premature babies, those with heart or lung disease, or older adults). It’s also used in research or outbreak investigations to track virus spread.
What to Expect During Testing
A small blood sample (serum or plasma) is taken from a vein, usually in your arm. The sample is then analyzed in a lab to detect and identify the specific RSV lineage using advanced molecular techniques.
Sample Collection Process
The process is quick and painless. You may feel a slight pinch when the needle is inserted, but it’s over quickly. You can usually return to your normal activities right after.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Identifying RSV lineage helps healthcare providers: - Tailor antiviral treatments (e.g., palivizumab) for high-risk patients. - Guide preventive strategies like vaccination or monoclonal antibody therapy. - Monitor outbreaks or track virus evolution in public health settings. While lineage identification doesn’t change symptoms, it ensures targeted care to reduce complications.
Short name
RSV Lineage Test
Frequently asked questions
How long does it take to get results?
What does a positive result mean?
Can I get this test if I’m not at high risk for RSV?
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