A discordant, falsely depressed urine enzymatic creatinine result was obtained on a patient sample on a dimension vista 1500 instrument.The initial result was not reported out to the physician(s).The customer did not spin the sample and repeated the same sample on the same dimension vista 1500 instrument, resulting higher.The customer spun the sample and tested the sample on an alternate dimension vista instrument, resulting higher.The customer repeated the same sample on the alternate dimension vista instrument, resulting higher than the initial result.The first result from the alternate instrument was reported out.There are no known reports of patient intervention or adverse health consequences due to the discordant, falsely depressed urine enzymatic creatinine result.
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The initial mdr 2517506-2017-00355 was filed on april 5, 2017.Additional information (05/05/2017): the siemens headquarters support center (hsc) reviewed the event.Hsc stated there is no indication of reagent delivery or foaming issues found based on the data supplied.There were no other issues noted or found.The cause of the discordant, falsely depressed urine enzymatic creatinine result is unknown.The instrument is performing according to specifications.No further evaluation of the device is required.
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