The investigation determined that a lower than expected vitros crea result was obtained from a quality control (qc) fluid processed using vitros chemistry products creatinine (crea) slides lot 1531-3500-7910 in combination with a vitros 5600 integrated system.A definitive assignable cause of the lower than expected vitros crea result could not be determined.No information was provided by the customer from the time period of the event.Historical vitros qc information was obtained from e-connectivity, however the customer did not provide any baseline qc information or details regarding the qc fluid in use for vitros crea.A reagent issue is not a likely contributor of the event as the customer was able to obtain an acceptable result for the l2 vitros crea qc fluid using the same cartridge of vitros crea.In addition, continual tracking and trending of complaints has not identified any signals that would point to a potential systemic issue with vitros crea lot 1531-3500-7910.Although a within run precision test was not performed, an analyzer issue is not a likely cause of the event as the customer was able to obtain acceptable results at the time of the event without any actions performed on the analyzer.The customer did not provide their fluid handling protocol, therefore, a fluid handling issue cannot be ruled out as a potential cause of the event.Email address for contact office bove is (b)(4).
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