inforMED
MalfunctionJSO

BD BBL¿ CHROMAGAR¿ MRSA II / CHROMAGAR¿ SA

Received Mar 18, 2026 · Event occurred Feb 12, 2026

Report 9680577-2026-00013 · MDR key 24631017

Device

Generic name

Culture Media, Antimicrobial Susceptibility Test, Excluding Mueller Hinton

Catalog number

257585

Lot number

5272533

Product problems

  • False Positive Result

Patient

NA · Unknown

  • No Clinical Signs, Symptoms or Conditions

Narrative

Description of Event or Problem

IT WAS REPORTED WHILE USING ONE (1) BD BBL CHROMAGAR MRSA II / CHROMAGAR SA, THERE WAS STAPHYLOCOCCUS AUREUS ISOLATES GROWTH ON THE MRSA SELECTIVE AGAR. THIS INDICATED A POSITIVE RESULT FOR MRSA, HOWEVER UPON CONFIRMATION TESTING, IT WAS DETERMINED TO BE MSSA AND THE ORIGINAL TESTING WAS A FALSE POSITIVE RESULT. THERE WAS NO HEALTH IMPACT OR CONSEQUENCE REPORTED. THIS IS REPORT 8 OF 9.

Additional Manufacturer Narrative

A DEVICE EVALUATION IS ANTICIPATED BUT HAS NOT YET BEGUN. UPON COMPLETION OF THE INVESTIGATION, A SUPPLEMENTAL REPORT WILL BE FILED.