This report is being filed to provide additional information.The customer did not provide the lot number pertaining to this event,therefore a device history record (dhr) search could not be conducted for this specific incident.All lots must meet acceptance criteria before release.There was no run data file (rdf) available for analysis, therefore, root cause remains undetermined at this time.Possible causes for the elevated wbc count include the following: rbc spill over.Centrifuge stopped.Rbc detector calibration error.Possible air block.Donor physiology.Sampling, calculation, or other process error.
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