A blood culture diagnostic test or procedure is a laboratory test that involves growing a colony of microorganisms to determine the type of organism.
A blood culture is a laboratory test that detects microorganism and other germs in a blood sample.If your blood culture test results are "positive," it usually means you have bacteria or yeast in your blood. "Negative" indicates that they are not present. The majority of bacteria can be seen in the culture after 2 to 3 days. However, some types can take 10 days or longer to appear. It can take up to 30 days for fungus to appear in the culture. A blood culture is a test that looks for germs in the blood.
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