The initial reporter complained of questionable thyroid results for 1 patient sample on a cobas 8000 e 801 module compared to competitor methods.The initial results from the customer's e 801 were reported outside of the laboratory.The competitor methods were considered correct.There were discrepant results for elecsys ft3 iii, elecsys prolactin assay, elecsys estradiol assay, elecsys testosterone ii assay from the customer's e 801 module compared the siemens centaur method.There were discrepant results for elecsys tsh assay from the customer's e 801 module compared to the siemens centaur and beckman methods.There were discrepant results for roche diagnostics cobas elecsys anti-tpo from the customer's e 801 module compared to the beckman method.There were discrepant results for elecsys dhea-s from the customer's e 801 module compared to the siemens immulite 2000 method.This medwatch will cover tsh refer to medwatch with patient identifier (b)(6) for information on the ft3 iii results, medwatch with patient identifier (b)(6) for information on the prolactin results, medwatch with patient identifier (b)(6) for information on the estradiol results, medwatch with patient identifier (b)(6) for information on the testosterone results, medwatch with patient identifier (b)(6) for information on the anti-tpo results, and medwatch with patient identifier (b)(6) for information on the dhea-s results.The customer's cobas e 602 module serial number was not provided.
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One patient sample was returned for investigation.The differences of the tsh values, generated with the analyzers from roche diagnostics and siemens, are caused by differences of the setups of the assays, the antibodies used, and differences of the standardization materials and procedures used.
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