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

Last Updated: June 26, 2020

The Dexcom G6 CGM System stands out as the first real-time, integrated CGM (iCGM) requiring zero fingersticks or calibrations.* Simply enter the unique Dexcom G6 sensor code that is printed on each sensor’s adhesive label during the startup period.

 


Upon insertion, Dexcom G6 sensors require a 2-hour warmup period. During this time, you will not receive any glucose readings or alarm/alert notifications and will want to use a blood glucose meter to make diabetes treatment decisions.

 

If you don’t enter a sensor code, you will be prompted to manually calibrate your system using values obtained from a blood glucose meter and fingersticks. You will also be prompted to calibrate twice after sensor warmup before you will begin receiving Dexcom G6 readings. Then, you will be prompted to calibrate 12 hours later and once more at the 24-hour mark (another 12 hours later). For the rest of your 10-day session, you will be prompted to calibrate once every 24 hours.

* Fingersticks required for diabetes treatment decisions if symptoms or expectations do not match readings.

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Submit a Tech Support Request

Request Sensor Overpatches

Chat Live with Tech Support

Available Monday - Sunday, 7AM - 9PM (PDT)