Apoc incident # (b)(4).The investigation was completed on 07/19/2017.The customers reported that after upgrading the i-stat/de system to version 2.8, the reference ranges, actions ranges, and customer reportable ranges for all analytes were reset to default values; however, the preference unique identifier remained the same.This is an unexpected behavior of the i-stat/de system as the reference ranges, action ranges, and customer reportable ranges for all analytes are expected to remain the same as before the upgrade, and the preference unique identifier is expected to change whenever there is a change to any configuration setting in the analyzer's customization preferences.Testing performed at apoc, (b)(4), was able to reproduce the customers' complaint, which was attributed to an issue with the database upgrade utility included with the i-stat/de system version 2.8 installer.A deficiency has been identified.Exception report (er) (b)(4).Has been initiated to address the issue.
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