What does the blood drop icon mean?

This icon means you need to enter a calibration and will appear when it is time for your 12-hour calibration update, or any other time an additional calibration is needed.

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What does Calibration error mean?

This screen means you recently entered a calibration blood glucose value and the sensor is having trouble calibrating.
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What does Calibration Not Used mean on my G7 CGM?

If you have entered a calibration, you may see Calibration Not Used in your History tab. This means that your Dexcom G7 sensor was not able to use the calibration you entered.

Where can I find when I last calibrated?

You can check your receiver for information about your CGM at any time.

Does the Dexcom G6 Continuous Glucose Monitoring (CGM) System require calibrations?

Dexcom G6 Continuous Glucose Monitor (CGM) requires no fingersticks or calibrations – just enter the unique G6 sensor code on the label during setup. Learn how to calibrate if needed.
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