A review of tickets determined that there is normal complaint activity for lot 04612un19.Trending review determined no adverse trend for falsely elevated results for the product.Return testing was not completed as returns were not available.Qc passed after maintenance was performed at the customer site and results were as expected.A review of the manufacturing documentation did not identify any issues associated with the customer's observation.A review of the product labeling concluded that the issue is sufficiently addressed.Based on the investigation, no systemic issue or deficiency of the architect magnesium reagent, lot number 04612un19 was identified.
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