The initial reporter received questionable elecsys ft4 iii assay and elecsys tsh assay results for one patient from the cobas e 801 module.The initial ft4 result was 4.18 pmol/l and initial tsh result was 0.05 iu/ml.On (b)(6) 2019, the repeat ft4 result was 15.7 pmol/l and repeat tsh result was 0.596 iu/ml.The repeat results were deemed to be correct because they have compared this results to abbott system.No specific data was provided.The repeat results were reported outside of the laboratory.The ft4 reagent lot number was 43284400 with an expiration date of 30-sep-2020.The tsh reagent lot number was 41623300 with an expiration date of 31-oct-2020.
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