Catalog Number 04641655190 |
Device Problem
Non Reproducible Results (4029)
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Patient Problem
No Consequences Or Impact To Patient (2199)
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Event Date 11/12/2020 |
Event Type
malfunction
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Manufacturer Narrative
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This event occurred in (b)(6).The customer did not run qc on the total psa reagent pack in question.The investigation is ongoing.
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Event Description
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The initial reporter questioned results for 47 patient samples tested for elecsys total psa (total psa) on a cobas 8000 e 602 module.Of the data provided, the results for 23 patient samples were discrepant for total psa.Discrepant results for 1 patient sample tested for elecsys free psa (free psa) was also identified.This medwatch will cover total psa.Refer to medwatch with patient identifier (b)(6) for information on the free psa results.Refer to the attached data for the patient results.It is unknown if the patients were prostatectomy or radiotherapy patients.The questionable results were reported outside of the laboratory.The e602 module serial number was (b)(4).
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Manufacturer Narrative
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Calibration was acceptable.The customer did not handle the reagent according to product labeling: "controls for the various concentration ranges should be run individually at least once every 24 hours when the test is in use, once per reagent kit, and following each calibration." the reagent pack is no longer available for investigation.No sample material is available for investigation.The investigation did not identify a product problem.The cause of the event could not be determined.
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Search Alerts/Recalls
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