Dexcom was made aware on (b)(4) 2018 that on (b)(6) 2018, there was an inaccuracy between the continuous glucose monitor (cgm) and the blood glucose (bg) meter.The sensor was inserted into the abdomen on (b)(6) 2018.No data was provided for evaluation.The complaint confirmation and probable cause could not be determined.It was reported that the patient used an expired sensor.Labeling indicates: do not insert sensors past the expiration date.The expiration date format is yyyy-mm-dd.Insert sensors on or before the end of the calendar day printed on the sensor package label.No additional event or patient information is available.
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