Mdr 1218996-2017-00035 addendum.User notified magellan to indicate results were "not matching up".The dates for these tests are on or around (b)(6) 2014.Patient 1 (sample 1): on leadcare ultra analyzer [not reportable].Samples run immediately after preparation in treatment reagent, in ug/dl: 3.2.Sample results after being held in treatment reagent for 72 hrs and tested, in ug/dl: 7.7.Patient 1 (sample 2): on leadcare ultra analyzer [not reportable].Samples run immediately after preparation in treatment reagent, in ug/dl: 3.2.Sample results after being held in treatment reagent for 1hr and tested, in ug/dl: 6.6.Patient 1 (sample 3): on leadcare ultra analyzer [not reportable].Samples run immediately after preparation in treatment reagent, in ug/dl: 3.2.Sample results after being held in treatment reagent for 1hr and tested, in ug/dl: 6.6.After further investigation, it has been determined that the reported blood lead sample.Data above was produced by the leadcare.Ultra instrument only.The samples were never re-tested using a standard reference method to get a "true" sample level, as a result there was no confirmation as to the inacuracy of the results and in accordance with our mdr decision tree these results would not be considered reportable.Same device kit from customer could not be used.The lot 1312bu materials were from magellan inventory.The customer's inventory was exhausted.Late filing is part of magellan diagnostics, inc.Response to fda's 483 issued on 29jun2017.Complaint # (b)(4).
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