RNA Probe for Bacterial or Viral Nucleic Acid Detection (e.g., in Respiratory Specimen)
This test checks for genetic material from certain bacteria or viruses in your respiratory secretions, often used to diagnose infections like colds, flu, or COVID-19.
["A quick way to identify possible infections with high accuracy, often done in minutes."]
Key facts at a glance
- LOINC
- 5034-4
- Short code
- Gp B Strep rRNA Spec Ql Probe
- Synonyms
- Gp B Strep rRNA Spec Ql Probe
- Category
- coagulation
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- probe
- 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
A small sample of your respiratory fluid (like mucus from your nose or throat) is collected and analyzed using a specialized probe that detects genetic material from specific pathogens. This method is highly sensitive and can identify infections even when symptoms are mild or absent.
What to Expect During the Test
You may blow your nose into a collection tube or use a swab to gather fluid from your nose or throat. The sample is then sent to a lab where it is tested for nucleic acids matching known pathogens. Results are often available within a few hours.
Common Uses
This test is commonly used to diagnose respiratory infections, including those caused by common viruses like influenza, respiratory syncytial virus (RSV), or coronaviruses such as SARS-CoV-2 (the virus responsible for COVID-19). It can also help confirm infections in patients who are suspected of having a bacterial or viral illness.
Limitations and Considerations
While this test is very accurate, it may not detect all types of infections. It also cannot distinguish between active and past infections. False positives or negatives can occur, especially if the sample is not collected correctly or if the infection is very mild.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
This test plays a crucial role in guiding treatment decisions by confirming the presence of specific pathogens. Early identification of infections can lead to timely treatment, reducing the risk of complications and improving recovery. It is particularly useful in settings where traditional culture methods take longer or are less reliable.
Frequently asked questions
What does a positive result mean?
What if my test result is negative?
Can this test be used for other types of infections?
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