: Respiratory Syncytial Virus (RSV) RNA, Bronchial Specimen, Qualitative, Nucleic Acid Probe
: This test looks for the genetic material (RNA) of respiratory syncytial virus (RSV) in a sample taken from the bronchial airways, using a nucleic acid probe method. It helps show whether RSV is present in the lower respiratory tract.
[": A positive result means RSV RNA was detected in the bronchial sample, suggesting RSV infection in the lower airways."]
Key facts at a glance
- LOINC
- 105213-3
- Short code
- RSV B RNA Bronch Ql NAA+probe
- Synonyms
- RSV B RNA Bronch 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
: What This Test Detects
: The test targets RNA from respiratory syncytial virus, a common virus that can infect the nose, throat, and lower airways. Because it uses a nucleic acid probe, it is designed to detect the virus's genetic material rather than antibodies the body makes against it.
: Why a Bronchial Sample Is Used
: A bronchial specimen is collected from the airways, typically during a procedure such as bronchoscopy. Testing this type of sample can help evaluate whether RSV is present deep in the lower respiratory tract, which may matter when upper-airway tests are unclear or when lower-airway disease is suspected.
: What Results Mean
: A detected (positive) result indicates that RSV RNA was found in the sample. A not-detected (negative) result means it was not found at the level the test can identify. Results are interpreted together with symptoms, imaging, and other tests; the test does not by itself measure how severe an infection is.
: Test Method and Limitations
: This is a qualitative nucleic acid probe test, so it reports presence or absence rather than a measured amount. As with any laboratory method, results depend on sample quality and collection technique, and a negative result does not always rule out infection.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
: RSV is a leading cause of lower respiratory illness, especially in young children, older adults, and people with weakened immune systems. Detecting RSV RNA in a bronchial specimen can support diagnosis when lower-airway infection is suspected, but the result should always be combined with clinical findings and other laboratory or imaging information.
Short name
: RSV RNA, Bronchial, Qualitative
Frequently asked questions
: Does a positive result mean I definitely have an RSV infection?
: Can this test tell how much virus is present?
: Is a bronchial sample required, or can a simpler sample be used?
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