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 sensor was worn beyond seven days.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: your sensor gives you sensor glucose readings for up to seven days.The performance of a sensor has not been tested beyond seven days.
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