Quick Facts at a Glance
- Recall Date
- March 3, 2026
- Hazard Level
- HIGH
- Brand
- Oxoid
- Category
- Health & Personal Care
- Sold At
- Unknown
- Geographic Scope
- 1 states
- At-Risk Groups
- GENERAL
What to Do Now
Use this page like a recall checklist: verify the product first, then act on the official remedy.
Immediate steps
- 1Stop using the product until you confirm whether it is included in the recall.
- 2Compare the product label, model number, UPC, color, size, and purchase location against the identifiers below.
- 3Follow the official remedy from FDA - Medical Devices; save photos, receipts, labels, and correspondence before contacting the company.
- 4If the product could harm a child, older adult, pet, or patient, move it out of reach immediately.
Check these identifiers
- Brand
- Oxoid
- Product type
- Listeria Identification Kit
- Model numbers
- MB1128A, 5032384127498
- Sold at
- Unknown
- Where affected
- ALL
Recall Timeline
Key dates and source checks for this recall record.
Recall announced
March 3, 2026
Reported by FDA DEVICE
April 8, 2026
RecallRadar source check
April 15, 2026
Consumer action
Use the official remedy and keep documentation.
Hazard Information
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.
What You Should Do
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
About This Product
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.
Why This Is Dangerous
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.
Industry Context
This recall is not presented as part of a broader industry pattern in the notice.
Real-World Impact
Labs may need to halt testing with the affected lot, rerun identifications using alternative methods, and face potential delays in reporting results.
Practical Guidance
How to identify if yours is affected
- Locate MB1128A kit and confirm lot number 4494873.
- Check the UDI/DI 5032384127498 on the kit label.
- Stop using the affected kit and quarantine any remaining stock.
- Follow Oxoid recall instructions for refunds or replacements.
Where to find product info
FDA recall page with recall number Z-1766-2026 and Oxoid recall notice.
What timeline to expect
Not specified in the recall; follow manufacturer guidance for refunds or replacements.
If the manufacturer is unresponsive
- Escalate to regulatory authorities if the supplier is unresponsive.
- Document all communications and retain the recall notice.
How to prevent similar issues
- Always verify lot numbers before use.
- Implement alternate validated methods for critical identifications during a recall.
- Maintain up-to-date recall notifications from suppliers.
Documentation advice
Keep copies of the recall notice, product labels, lot numbers, and all correspondence with the manufacturer or distributors.
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Product Details
Model: MB1128A; UDI/DI: 5032384127498; Lot: 4494873; Sold/distributed: US nationwide, GA and CA; Recall date: 2026-03-03; Quantity: 2 kits; Price: Unknown
Reported Incidents
No injuries or incidents have been reported.
Key Facts
- 2 kits in the US recall scope
- Lot 4494873 MB1128A corresponds to Microbact 12L Kit 20 Tests
- Misidentification risk due to inconclusive color reactions in wells
- US GA and CA distribution
- Recall status: ACTIVE as of 2026-04-08
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Safety Guide
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