Pneumococcal Nucleic Acid Detection (Serum/Plasma)
This test checks for genetic material from *Streptococcus pneumoniae* (pneumococcal bacteria) in your blood or plasma, which may indicate an infection requiring urgent medical attention.
["Early detection of pneumococcal infection can help guide faster treatment options."]
Key facts at a glance
- LOINC
- 111566-6
- Short code
- C pneum DNA BAS Ql NAA+n-prb
- Synonyms
- C pneum DNA BAS Ql NAA+n-prb
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- non-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
Why This Test Might Be Ordered
Your healthcare provider may recommend this test if you have symptoms like high fever, difficulty breathing, or signs of severe infection, especially if you’re at higher risk (e.g., elderly, immunocompromised, or with chronic health conditions). It’s also used in certain clinical settings to screen for bacterial pneumonia or sepsis caused by pneumococcal bacteria.
What to Expect Before the Test
No special preparation is needed. Blood is drawn from a vein, usually in your arm, and sent to the lab for analysis. The test is typically done as part of an emergency or routine evaluation.
What the Test Results Mean
A positive result means genetic material from pneumococcal bacteria was detected. This suggests an active infection and may prompt immediate treatment with antibiotics targeting *S. pneumoniae*. A negative result means no detectable genetic material was found, but further testing or observation may still be needed depending on your symptoms.
Common Causes of False Results
False positives or negatives can occur due to lab errors, recent antibiotic use, or cross-contamination. If your results are unclear, your doctor will discuss next steps with you.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Pneumococcal infections can be life-threatening if untreated, especially in vulnerable populations. Early identification allows healthcare providers to administer targeted antibiotics, reduce complications, and improve outcomes. This test helps rule out or confirm pneumococcal infections quickly, which is critical in managing severe cases like pneumonia or sepsis.
Short name
Pneumococcal DNA Screening
Frequently asked questions
How long does it take to get results from this test?
Can I eat or drink before this test?
Is there any risk or discomfort with this test?
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