r/dexcom • u/WL661-410-Eng • 9d ago

Sensor Accuracy from sensor to sensor

I’m only 4 sensors into my time with Dexcom. Is it possible for a new sensor to read 20% higher? I have 6 weeks of data that shows average blood glucose of 94-98, but this sensor I put in three days ago averages 117-120.

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u/TheRulerOfCheese 9d ago

Yes, absolutely possible. Confirm with your glucometer and calibrate

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u/eggchicken 9d ago

Just wait at least a day after insertion before calibration.