The customer contacted the siemens customer care center (ccc) because of rubella igg inconsistent patient results.A siemens customer service engineer (cse) was dispatched to the customer's site.While troubleshooting the instrument, the cse performed a total service visit including preventive maintenance.The cse replaced the sample syringe.The cse ran quality control (qc), resulting within specification.The cse ran patient samples comparison prior to and after maintenance service, resulting satisfactory following service maintenance.The cause of the inconsistent rubella igg results is unknown.The instrument is performing according to specifications.No further evaluation of the device is required.Mdrs 2432235-2017-00493 and 2432235-2017-00500 were filed for the same event.
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