Staphylococcus DNA Qualitative Probe (Specimen: Whole Blood)

Why This Test Is Done

Your healthcare provider may order this test if you have symptoms like fever, chills, or signs of infection (e.g., redness, swelling) that could suggest a *Staphylococcus* bloodstream infection. It’s also used in monitoring patients with known staph infections or those at higher risk (e.g., after surgery or in intensive care).

How the Test Works

The test uses a molecular probe to detect *Staphylococcus* DNA fragments in your blood sample. If bacteria are present, the probe binds to their genetic material, confirming infection without needing to grow the bacteria in a lab. This is a quick, non-culture method often used for rapid results.

Sample Collection

A small blood sample is drawn from a vein, usually in your arm. The sample is processed immediately to extract DNA for testing. No special preparation is needed, but inform your provider about any medications or recent infections.

Test Results Interpretation

A positive result means *Staphylococcus* DNA was found in your blood, strongly suggesting a staph infection. A negative result means no detectable DNA was found, but this doesn’t rule out infection in all cases (e.g., if bacteria are present in low numbers). Follow-up testing or culture may be needed for confirmation.