CLASS III Device recall · Reported 6 May 2020 · FDA Enforcement Report
Vitros Immunodiagnostic Products TT4 Reagent Pack, Product recalled
Ortho Clinical Diagnostics is recalling Vitros Immunodiagnostic Products TT4 Reagent Pack, distributed nationwide in the US. The recall was initiated on 10 Mar 2020 and the FDA has classified it as Class III.
Check your package
Stop using the device if the notice says to, and contact the manufacturer or your healthcare provider for the correction or replacement.
Recall details
- Recall number
- Z-1834-2020
- FDA event ID
- 85298
- Recalling firm
- Ortho Clinical Diagnostics, Rochester, NY
- Classification
- Class III
- Status
- Terminated
- Recall initiated
- 10 Mar 2020
- FDA classified
- 30 Apr 2020
- Reported
- 6 May 2020
- Type
- Voluntary: Firm initiated
- Customers notified by
- Letter
- Reason category
- Other Reasons
- Device type
- Test Kits & Diagnostics
Timeline
| 10 Mar 2020 | Recall initiated by company | |
| 30 Apr 2020 | Classified by FDA | +51 days |
| 6 May 2020 | Published in enforcement report | +6 days |
Companies usually start a recall weeks before the FDA classifies and publishes it; the gap above is that lag.
Reason for recall
The specified reagent packs exhibit an increase in the frequency of unsuccessful calibrations.
Product as listed by the FDA
VITROS Immunodiagnostic Products TT4 Reagent Pack, Product Code 8744468
Where it was distributed
US Nationwide. Australia, Bermuda, Belgium, Brazil, Canada, Chile, China, Columbia, Denmark, France, Germany, India, Italy, Japan, Mexico, Netherlands, Norway, Poland, Portugal, Russia, Singapore, Spain, Sweden, UK.
Questions about this recall
Why was it recalled?
The specified reagent packs exhibit an increase in the frequency of unsuccessful calibrations.
Which lots are affected?
UDI: 10758750005147; Lot Number: 2340
Where was it sold?
US Nationwide. Australia, Bermuda, Belgium, Brazil, Canada, Chile, China, Columbia, Denmark, France, Germany, India, Italy, Japan, Mexico, Netherlands, Norway, Poland, Portugal, Russia, Singapore, Spain, Sweden, UK.
What should I do if I have it?
Stop using the device if the notice says to, and contact the manufacturer or your healthcare provider for the correction or replacement.
What does Class III mean?
Class III recalls are for products unlikely to cause any adverse health consequence, usually labelling or quality issues.
Read the official FDA notice · Source record retrieved 26 Sep 2026. The FDA describes openFDA data as unvalidated; the official notice takes precedence. This page reports the record and gives no medical advice.
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