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Last Updated: June 18, 2020

When you start a new Dexcom sensor, you must enter a code into your display device to use Dexcom G6 without fingerstick calibrations. * Please make sure to follow each onscreen prompt step by step when starting a new sensor. Each sensor has its own code printed on the back of the adhesive patch. Do not use a code from a different sensor or make up a code. If you have lost the sensor code, you may calibrate Dexcom G6 using fingersticks. Learn more about what to do if you lose your sensor code here.

*If your glucose alerts and readings from the Dexcom G6 do not match symptoms or expectations, use a blood glucose meter to make diabetes treatment decisions.

 

Dexcom G6 - How to Replace Your Sensor

LBL019054 Rev001
 

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Dexcom G6 CGM System Guides

Need Additional Help?

Submit a Tech Support Request

Request Sensor Overpatches

Chat Live with Tech Support

At this time, live chat is only available to US customers, Monday-Sunday from 7AM-9PM PDT.