Pneumococcal Nucleic Acid Detection in Whole Blood by Probe-Based Assay

How the Test Works

The test uses a special probe to detect genetic material (DNA) from *Streptococcus pneumoniae* bacteria in your blood sample. This is done through a molecular method that amplifies and identifies the bacterial DNA, even if the bacteria are present in small amounts. Results are typically available within hours.

When You Might Need This Test

Your healthcare provider may order this test if you have symptoms of pneumonia, sepsis, or other serious infections, especially if you’re at higher risk for pneumococcal infections (e.g., young children, older adults, or those with weakened immune systems). It can also be used in certain screening or outbreak investigations.

What to Expect Before the Test

No special preparation is needed. You’ll provide a small blood sample, usually drawn from your arm, similar to other blood tests. The sample is processed quickly in the lab to detect bacterial DNA.

What the Results Mean

A positive result means the test found genetic material from *Streptococcus pneumoniae* in your blood, suggesting an active infection. A negative result means no detectable bacterial DNA was found in this sample. Results should be interpreted by your healthcare provider in the context of your symptoms and medical history.