Missing or Lost Dexcom G6 CGM Sensor Code

If you've misplaced or lost the sensor code for your Dexcom G6 continuous glucose monitoring (CGM) system, here’s what you need to know to proceed.

Session Started on Mobile App

If you are connecting a Dexcom G6 CGM sensor to the t:slim X2 insulin pump that has already been started in the Dexcom mobile app, you do not need to enter the sensor code again in the pump as long as the transmitter ID was entered in the t:slim X2 pump.

New Sensor Session

If you do not enter a sensor code when starting a new Dexcom G6 CGM sensor session, you will be prompted to calibrate the sensor after the warm-up period. You must enter your first two sensor calibrations on the same device, either the t:slim X2 insuln pump or the Dexcom mobile app. After that, calibrations can be performed from either device for the remaining life of that sensor.

Note: It may take up to 15 minutes for the secondary device to register that a calibration was entered, but it is not necessary to enter the sensor calibration on both devices.

 

Important Note About CGM Support

Dexcom and Tandem have agreed which system issues are best handled by each company, including which company is responsible for reporting those events to the appropriate regulatory authority. To help ensure that the required reporting takes place in a timely fashion, customers may need to contact Dexcom for some issues and Tandem for others. Learn which continuous glucose monitoring (CGM) issues are specific to the sensor or the insulin pump, and which company to contact.

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ZD-000021_A (2023-11-28)

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