Oxoid recalled 2 Microbact 12L Kit 20 Tests MB1128A lot 4494873 distributed nationwide in the United States, including Georgia and California. The kit may identify the wrong organism due to inconclusive color reactions in wells. Laboratories should stop using the kit immediately and follow recall instructions from Oxoid.
Oxoid Ltd., part of Thermo Fisher Scientific, confirmed that Microbact 12L Kit 20 Tests MB1128A lot 4494873 may identify incorrect organism due to inconclusive result from ambiguous color reactions in wells.
Patients and healthcare providers should stop using this device immediately. Follow the recall instructions provided by the manufacturer. Contact Oxoid Australia Pty Limited or your healthcare provider for instructions. Notification method: Letter
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The Microbact 12L Kit is a biochemical identification system used by clinical laboratories to identify bacteria, including Listeria, based on color reactions in wells. It is used to differentiate organisms for diagnostic purposes.
Ambiguous color reactions can yield inconclusive results, risking misidentification of organisms. Misidentification can lead to incorrect treatment decisions in patient care when used for clinical diagnosis.
This recall is not presented as part of a broader industry pattern in the notice.
Labs may need to halt testing with the affected lot, rerun identifications using alternative methods, and face potential delays in reporting results.
FDA recall page with recall number Z-1766-2026 and Oxoid recall notice.
Not specified in the recall; follow manufacturer guidance for refunds or replacements.
Keep copies of the recall notice, product labels, lot numbers, and all correspondence with the manufacturer or distributors.
Model: MB1128A; UDI/DI: 5032384127498; Lot: 4494873; Sold/distributed: US nationwide, GA and CA; Recall date: 2026-03-03; Quantity: 2 kits; Price: Unknown
No injuries or incidents have been reported.
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