Pneumococcal Nucleic Acid Detection in Respiratory Specimen (Qualitative)
This test checks for genetic material from *Streptococcus pneumoniae* (pneumococcus) bacteria in your respiratory secretions, such as sputum or nasal swabs. It helps determine if you may have an infection caused by this bacterium.
["Assists in diagnosing pneumonia or other respiratory infections caused by pneumococcus."]
Key facts at a glance
- LOINC
- 92771-5
- Short code
- S pneum DNA Bld Pos Ql NAA+probe
- Synonyms
- S pneum DNA Bld Pos Ql NAA+probe
- Category
- coagulation
- Sample
- whole-blood
- Container
- Lavender-top (EDTA)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- probe-amp-tar
- Specimen volume
- 3 mL
- Stability
- Room temperature: 4h, Refrigerated: 24h
- Hemolysis max
- 0
- Lipemia max
- 0
- Icterus max
- 0
- TAT
- 4–24 hours
- Order
- routine
How the Test Works
The test uses a specialized probe to detect genetic material (nucleic acid) from *Streptococcus pneumoniae*. If the bacteria are present, the probe binds to their DNA, triggering a signal that confirms infection. This method is highly sensitive and quick, often providing results in hours.
When You Might Need This Test
Your healthcare provider may recommend this test if you have symptoms like fever, cough, shortness of breath, or chest pain, especially if you’ve been exposed to respiratory illnesses or have a weakened immune system.
Sample Collection and Preparation
A sample is collected from your respiratory tract, such as sputum (phlegm), nasal swabs, or sometimes throat swabs. The sample is then processed in a lab to extract genetic material for testing.
What to Expect Before the Test
No special preparation is usually needed, but you may be asked to avoid certain medications (like antibiotics) that could affect results. If you have a cold or flu-like symptoms, your sample may be taken during active illness.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
◆Associated findings1
Short name
Pneumococcal DNA Test (Qualitative)
Frequently asked questions
Why was I asked to take this test?
What does a positive result mean?
Can I get this test at home?
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