Investigation conclusion: the customer's complaint was not replicated during in-house testing of retained devices of lot number t13669n.Devices of the complaint lot performed properly when testing with a positive calibrator, no issues with tni recovery were observed.Lot performed within specification.Manufacturing batch records for lot t13669n were reviewed and found that the lot met final release specifications; however, the lot is associated with an ongoing recall related to the potential for negatively biased troponin results on triage cardiac panel.
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