Overview

A healthcare provider diagnoses MRSA by sending a sample of body tissue or fluid to a lab to be tested. They might try to grow (culture) bacteria from the sample. Examples of samples they could test include:

  • Blood.
  • Tissue from a wound.
  • Urine (pee).
  • Sputum (mucus coughed up from your lungs).

Providers sometimes test for MRSA colonization with a skin or nasal swab.

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