Dexcom was made aware on (b)(4)2017, that on (b)(6)2017, there was an inaccuracy between the continuous glucose monitor (cgm) and the blood glucose (bg) meter.The sensor was inserted at the abdomen on (b)(6)2017.Reportedly, the patient did not wash and dry their hands prior to taking their fingerstick measurement.No additional event or patient information is available.No data was provided for evaluation.The reported inaccuracy could not be confirmed.A root cause could not be determined.Labeling indicates: before you take a blood glucose value for calibration, wash your hands, make sure your glucose test strips have been stored properly and are not expired and make sure that your meter is properly coded (if required).
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