The customer observed a falsely depressed architect prolactin result for one patient.The following data was provided: (b)(6) 2020, sid (b)(6), initial result = 450 miu/l, repeat = 803 miu/l.The physician questioned the initial result since the patient had prolactin result of 800 miu/l at another laboratory.No impact to patient management was reported.
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The complaint investigation for the observed falsely depressed result included a search for similar complaints, and the review of complaint text, trending data, labeling, and device history records.Return testing was not completed as returns were not available.In-house accuracy testing of reagent lot 07137ui00 was completed.Trending review identify any trends for the complaint issue.In house accuracy testing of panels which mimic patient samples was completed using retained samples of the complaint lot.All specifications were met indicating that the lot is performing acceptably.A review of field data for lot 07137ui00 determined the patient median result for the lot is comparable with other lots in the field.Device history record review on lot 07137ui00 did not show any potential non-conformances, or deviations.Labeling was reviewed and found to adequately address the issue under review.Based on the investigation, no systemic issue or deficiency of the architect prolactin lot number 07137ui00 was identified.
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