is admitted to the and had a skin abscess requiring I&D. A blood culture grows Staphylococcus lugdunensis (a coagulase-negative species)
Is this likely a contaminant?
No
Explanation: Unlike other coagulase-negative Staphylococcus spp., S. lugdunensis is very virulent and associated with ⬆️ mortality. Like S. aureus, it generally should NOT be treated as a contaminant in blood culture🩸