| Model Number |
09N78-095 |
| Medical Device Problem Code |
False Positive Result (1227)
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| Health Effect - Clinical Code |
No Clinical Signs, Symptoms or Conditions (4582)
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| Date of Event |
03/27/2023
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Type of Reportable Event
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Malfunction
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Additional Manufacturer Narrative
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Elevated complaint investigation will be initiated.
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Event or Problem Description
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The customer reported 3 false positive results on the alinity m sars-cov-2 assay.Sid (b)(6) tested on (b)(6) 2023, gave positive results when tested and when retested using a recollected sample, gave negative result.The false positive results were reported outside of the laboratory and patient samples had to be recollected.
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Additional Manufacturer Narrative
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Investigation into this complaint included a customer data review, a quality data review and a complaint history review.Investigation is summarized as follows: retain sample evaluation: the file sample testing did not identify a product deficiency for the alinity m sars-cov-2 amp kit (list 09n78-095) lot 381551.Customer data review: customer result log files were reviewed.The runs which involved the discrepant result were valid and met assay specification requirements.The validity of the run met assay specification requirements, and no error codes or flags were displayed for the run controls.No abnormal amplification curves were identified, and the assay is performing as expected with correct interpretations.Different platforms have different limits of detection (lod) therefore, the results may not be reproducible.There is no indication that the alinity m sars-cov-2 amp kit (list 09n78-095) lot 381551 is performing outside of established design performance specifications based on the elements reviewed in this section.Quality data review: device history record / batch record review: the device history records (dhr) review for alinity m sars-cov-2 amp kit (list 09n78-095) lot 381551 (including the components) was performed.The manufacturing packets were reviewed to identify any issues related to the reported complaint during production of the lot components.No issues were identified.No issues were found during quality control (qc) testing.The products passed quality specifications at the time of release.Capa / non-conformance review: the capa review for alinity m sars-cov-2 amp kit (list 09n78-095) lot 381551 (including the components) was performed to identify any records that were potentially related to the reported complaint.The search did not identify any records related to the reported issue for this lot number.Complaint history review: a lot specific complaint history review was performed to identify any similar complaints to the ticket being investigated, which reported discrepant results while using alinity m sars-cov-2 amp kit (list 09n78-095) lot 381551.A product deficiency was not identified by this evaluation.Based on the results of the investigation elements, a product deficiency for alinity m sars-cov-2 amp kit (list 09n78-095) lot 381551 was not identified.
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Search Alerts/Recalls
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