Oxoid recalls Listeria identification kits that may show incorrect results due to ambiguous color reactions. Affected kits have specific lot numbers and may need replacement.
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.
Oxoid is recalling Listeria identification kits that could give incorrect results because of unclear color reactions in the test wells. This means users might misidentify bacteria, which could lead to improper handling of food safety risks.
The kits may produce ambiguous color reactions in the test wells, causing the system to identify the wrong organism. This could lead to incorrect conclusions about bacterial presence, potentially affecting food safety decisions.
Users of the Listeria identification kits with lot number 4494873 are affected. Laboratory or food safety professionals using these kits for testing are most at risk.
Check for the lot number 4494873 on the kit packaging. The product is labeled as 'OXOID MICROBACT IDENTIFICATION KITS, Listeria 12L Kit, 20 Tests' with UDI/DI 5032384127498.
Look for lot number 4494873 on the product packaging to confirm if it is affected.
The kits may identify incorrect organisms due to ambiguous color reactions in the test wells, which could lead to misidentifying bacteria.
The recall record does not specify a remedy, so check the lot number and contact Oxoid if you have the affected kit.
The recall does not mention any risk of injury; the hazard is related to incorrect identification results, not physical harm.
We’ve drafted a message you can send Oxoid to request your refund or repair — edit it as you like.
Subject: Recall Z-1766-2026 — Oxoid Oxoid Hello, I own a Oxoid that is covered by recall Z-1766-2026 from Oxoid. I’m writing to arrange the remedy described in the recall (a refund, repair, or replacement as applicable). Could you please tell me the next steps to resolve this? Thank you.
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The facts (hazard, remedy, dates, manufacturer) are pulled from the official FDA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.
