OXOID Microbact 12L Listeria Identification Kit
Oxoid is recalling Microbact 12L Listeria Kit (MB1128A, Lot 4494873) due to risk of incorrect organism identification from ambiguous color reactions.
Stop using the affected lot immediately. Contact Oxoid Ltd. or Thermo Fisher Scientific for instructions on return or replacement of the recalled kit. Do not rely on results from this lot for organism identification.
Why it was recalled
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.
How to identify it
UPC 5032384127498
OXOID MICROBACT IDENTIFICATION KITS, Listeria 12L Kit, 20 Tests; Listeria identification sysystem
Where it was sold
Distributed in US.
Official source
Editorial summary by Recall Canary · last updated 2026-04-27 · primary source: U.S. Food and Drug Administration · severity reflects the agency's published classification