Pneumococcal Antibody Screening by Serological Method (Antibody to *Streptococcus pneumoniae* Detection)
This test checks for antibodies your immune system produces in response to *Streptococcus pneumoniae* (pneumococcus), a common bacteria that can cause pneumonia, meningitis, or other infections.
["Helps identify if your body has been exposed to pneumococcal bacteria, useful for assessing immunity or guiding vaccination decisions."]
Key facts at a glance
- LOINC
- 52987-5
- Short code
- M pneumo Ab Ser CF-aCnc
- Synonyms
- M pneumo Ab Ser CF-aCnc
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- comp-fix
- 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 a history of pneumococcal infections, live in a setting with high exposure (e.g., nursing homes), or are at increased risk due to underlying health conditions. It may also be used to evaluate immunity after vaccination.
What to Expect Before the Test
No special preparation is needed. A blood sample will be drawn from a vein, typically in your arm. The process usually takes a few minutes and may cause a slight pinch or discomfort.
What the Test Results Mean
Results indicate whether antibodies against pneumococcus are present. Positive results suggest prior exposure or vaccination, while negative results may mean no detectable immunity. Always discuss results with your provider for personalized interpretation.
Common Reasons for Testing
This screening helps determine if you’re protected against pneumococcal infections, especially if you’re planning travel, have weakened immunity, or are part of a high-risk group. It’s not a diagnostic test for active infections but supports preventive care strategies.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Clinical Significance: This test is primarily used for **immunization monitoring** and **risk stratification**. Elevated antibody levels may confirm vaccination effectiveness or prior exposure, guiding future preventive measures. Low or absent levels may prompt vaccination recommendations or further evaluation of immune status.
Short name
Pneumococcal Antibody Screen
Frequently asked questions
Will this test detect an active infection right now?
How long does it take to get results?
Can I fast before 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