The initial reporter questioned thyroid results for 1 patient sample tested for elecsys ft3 iii (ft3 iii), elecsys tsh (tsh), and elecsys ft4 iii (ft4 iii) between a cobas e 801 module and the accuraseed method.The customer's results were reported outside of the laboratory.The patient sample was submitted for investigation where discrepant results were identified for ft3 iii, tsh, ft4 iii and ft4 ii between the customer's e801 module, the architect method, the accuraseed method, an e801 module used at the investigation site, a cobas 8000 e 602 module used at the investigation site and a cobas e 411 immunoassay analyzer used at the investigation site.This medwatch will cover ft4 iii.Refer to medwatch with patient identifier (b)(6) for information on the ft4 ii results, medwatch with patient identifier (b)(6) for information on the ft3 iii erroneous results and medwatch with patient identifier (b)(6) for information on the tsh results.There was no allegation that an adverse event occurred.The serial number for the customer's e801 module was (b)(4).
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