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Patient 1
A CUSTOMER FROM (B)(6) REPORTED TO BIOM?RIEUX A FALSE NEGATIVE RESULT FOR A (B)(6) STRAIN ON A CHROMID? MRSA SMART (LOT 1006023560) PLATE. THE CUSTOMER STATED A SPECIFIC STRAIN OF STAPHYLOCOCCUS AUREUS DID NOT GROW ON THE CHROMID? MRSA SMART PLATE. THE STRAIN WAS CULTURED ON CHROMID? MRSA SMART, CHROMID? S. AUREUS ELITE, AND BLOOD AGAR. THE S. AUREUS ONLY GREW ON THE BLOOD AGAR. THE CUSTOMER THEN PERFORMED DISC TESTING AND FOUND THE STRAIN TO BE CEFOXITIN RESISTANT. IT WAS THEN CULTURED FROM THE ORIGINAL SAMPLE TUBE TO A NEW MRSA SMART PLATE AND A BD CHROMAGAR MRSA PLATE, AND THERE WAS NO GROWTH ON THE MRSA SMART PLATE AND FULL GROWTH ON THE CHROMAGAR MRSA PLATE. THERE IS NO INDICATION OR REPORT FROM THE HOSPITAL OR TREATING PHYSICIAN TO BIOM?RIEUX THAT THE DISCREPANT RESULT LED TO ANY ADVERSE EVENT RELATED TO THE PATIENT'S STATE OF HEALTH. A BIOM?RIEUX INTERNAL INVESTIGATION WILL BE INITIATED.