Staphylococcus aureus DNA detection by nucleic acid probe (qualitative)

Why This Test Is Done

Your healthcare provider may order this test if you have symptoms like fever, chills, or signs of infection (such as redness, warmth, or swelling) that could be due to *Staphylococcus aureus*. It’s also used in certain hospital settings to detect infections in patients who are at higher risk, such as those with weakened immune systems or recent surgeries.

How the Test Works

The test uses a specialized probe to detect genetic material (DNA) from *Staphylococcus aureus*. If the bacteria are present, the probe binds to their DNA, confirming the infection. This method is highly sensitive and specific for this particular bacteria.

Sample Collection and Preparation

A blood sample is taken from you, usually from a vein in your arm. The blood is then processed to extract DNA for testing. This test does not require fasting or special preparation.

What to Expect After the Test

Results are typically available within 24 hours. If the test is positive, it means *Staphylococcus aureus* DNA was found in your blood, indicating an active infection. Your provider will discuss next steps, such as starting appropriate antibiotics.