Analysis of the instrument and instrument data indicate that the cause for the discrepant elevated hb1c result is unknown.However, user error may have contributed to the event.The hb1c instructions for use specimen collection and handling section cautions: sample can sit in sample cup on instrument for up to one hour.The laboratory reported that due to heavy workload the sample may have sat on the instrument for a long period of time before being picked up to be processed.The instrument is performing within specifications.No further evaluation of the device is required.
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