Respiratory Viral Panel (Upper Respiratory Tract) – Probe
This test checks for the presence of viruses commonly found in the upper respiratory tract, such as those causing colds, flu, or other infections.
["A simple screening to help identify possible viral infections in your nose or throat."]
Key facts at a glance
- LOINC
- 91795-5
- Short code
- RSV A RNA Upper resp Ql NAA+probe
- Synonyms
- RSV A RNA Upper resp 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 Measures
The test uses a probe to detect specific viral genetic material (RNA/DNA) from common respiratory viruses. It may include viruses like rhinovirus, coronavirus, influenza, respiratory syncytial virus (RSV), adenovirus, and others. Results are qualitative (positive/negative) rather than quantifying virus levels.
How the Test Works
A swab sample is collected from your nasal passages or throat. The sample is processed to identify viral genetic material through molecular techniques, such as polymerase chain reaction (PCR). This helps determine if a virus is present in your upper respiratory system.
When You Might Need This Test
Your healthcare provider may recommend this test if you have symptoms like cough, sore throat, runny nose, fever, or difficulty breathing, especially if you suspect a viral infection. It’s often used in settings like urgent care, clinics, or during outbreaks.
Preparation and Process
No special preparation is needed. You’ll likely be asked to blow your nose gently first, then a healthcare provider will collect a swab sample from your nose or throat. The sample is sent to a lab for analysis, and results are typically available within 1–3 days.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
◆Associated findings1
Short name
Upper Respiratory Virus Screen (Qualitative Probe)
Frequently asked questions
This test helps confirm a viral infection that may be causing your symptoms, guiding treatment decisions. While antibiotics won’t help with viruses, identifying the right virus can help manage symptoms, reduce spread, and rule out bacterial infections that might require different treatment.
How long will I wait for results?
Can I have this test if I’m pregnant or have a weakened immune system?
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