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Pneumococcal Neisseria meningitidis Antigen in Stool (Qualitative)

Published: August 9, 2026Updated: August 16, 2026

This test checks for the presence of bacteria that cause serious infections, including pneumonia and meningitis, in your stool sample.

Quick summary

["Helps identify if you may have a bacterial infection caused by pneumococcal bacteria."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
104706-7
Short code
M pneumo DNA Spec Ql
Synonyms
M pneumo DNA Spec Ql
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
molgen
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 fever, stomach pain, diarrhea, or if you’ve been exposed to someone with a serious infection. It’s also used in certain high-risk groups, like infants or those with weakened immune systems, to prevent infections.

How the Test Works

A small sample of your stool is tested using an immunoassay method to detect specific antigens from *Neisseria meningitidis* or *Streptococcus pneumoniae* bacteria. This helps confirm if these bacteria are present in your digestive system.

What to Expect Before the Test

No special preparation is needed. You may be asked to collect a stool sample at home or bring a recent sample to your doctor’s office. Avoid using certain cleaning products that might interfere with the test results.

What to Expect During the Test

The test is quick and painless. A healthcare provider or lab technician will collect the sample, and results are typically available within hours or the next day.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Stool Pneumococcal Test

Frequently asked questions

How long does it take to get results from this test?
Results are usually available within 1–2 days, depending on the lab’s processing time. Your provider will discuss the results with you during your follow-up visit.
Can I eat or drink before giving a stool sample?
Yes, you can eat and drink normally. Avoid using any cleaning products or stool softeners that might alter the sample, as they could affect the test results.
What if my test comes back positive for pneumococcal bacteria?
A positive result means the bacteria are present in your stool. Your provider will work with you to determine if further testing or treatment is needed, especially if you have symptoms of infection or are at high risk.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

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.

Medical Disclaimer

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