The customer provided patient tcb and tsb reading comparison data used to determine the differences in tcb and tsb readings for analysis.However, as the data provided does not include the age of the babies or the time that the blood was drawn, it cannot be analyzed.The customer was asked to repeat the measurements using the provided data collection sheet (which includes fields for the data needed for comparison analysis).No further information was provided by the customer.As per the instructions for use, the age population for the device to be used on is >= 35 weeks gestation up 14 days old.Additionally, the time of the blood test to compare to the meter reading must be documented and taken within an hour of the meter reading for a comparison to be made.Therefore, the reported reading differences could not be verified.The involved meter was return to draeger for investigation and has been evaluated by draeger engineering.The meter was tested on the light checker and the measurements were within specification.Therefore, the root cause of the reported issue cannot be determined.Though no malfunction was identified, the meter was recalibrated for customer satisfaction and returned to the customer through the draeger medical repair center.
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