The investigation indicates the reagent malfunctioned at the time of the event.Upon recalibration of the reagent in question, the quality control was restored.Patient sample were redrawn and the samples were repeated on two different au instruments with acceptable results.However, the same reagent of a different lot number was also in-use on the instrument.The repeat data provided did not indicate which reagent lot was used during the repeat testing.There were no reports of instrument issues.The customer indicated that the glucose issue has not reoccurred.Patient demographics were not provided.(b)(4).
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The customer reported having issues with glucose (glu) on their au5800 chemistry analyzer.The customer estimated 500 glu patient results were high but only two patient results were provided.The patient samples were redrawn and repeated on the same au and another au instrument and both results were lower.Original high results were reported out of the laboratory but instead of correcting the results, the customer attached a note to the results.The customer confirmed patient treatment was not impacted.Quality control (qc) was within their established range before the event; however, qc was out of range after the event.
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