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Patient 1
THE CUSTOMER CONTACTED THE SIEMENS CUSTOMER CARE CENTER (CCC) TO REPORT THE DISCORDANT GLUCOSE HEXOKINASE_3 RESULT. QUALITY CONTROL (QC) WAS WITHIN RANGE. A SIEMENS CUSTOMER SERVICE ENGINEER (CSE) WAS DISPATCHED TO THE CUSTOMER SITE. THE SERVICE WAS PERFORMED OVER MULTIPLE VISITS. THE CSE PERFORMED ADJUSTMENT OF ASPIRATION PROBE. THE CSE OBSERVED REACTION CUVETTE WASHERS (WUD) NEEDED CLEANING. THE CSE PERFORMED CLEANING OF WUD PROBES. THE CSE REPLACED CLOT SENSOR. A SIEMENS HEADQUARTERS SUPPORT CENTER (HSC) REVIEWED THE INFORMATION PROVIDED AND CONCLUDED THE EVENT IS NOT DUE TO A REAGENT LOT OR METHOD ISSUE. THE DATA IS CONSISTENT WITH INSTRUMENT RELATED ISSUES WITH THE POTENTIAL CAUSE BEING THE CLOGGING OF WUD PROBES. IMPROPER WASHING OF THE REACTION TRAY (RRV) CUVETTES DUE TO THE CLOGGED DETERGENT AND ASPIRATION LINES ON THE WUD IS CONSISTENT WITH IMPRECISION ISSUES. THE CAUSE OF THE DISCORDANT GLUCOSE HEXOKINASE_3 RESULT IS UNKNOWN. THE INSTRUMENT IS PERFORMING ACCORDING TO THE SPECIFICATIONS. NO FURTHER EVALUATION OF THIS DEVICE IS REQUIRED. MDR 2432235-2017-00550 WAS FILED FOR THE SAME EVENT. MDR 2432235-2017-00553 WAS FILED FOR THE SAME EVENT.