How is my time in range (TIR) calculated in the t:connect mobile app?

Your time in range displays the percentage of time your CGM readings are in your target glucose limit. The target glucose limit is set at a default of 70-180 to match the American Diabetes Association recommendations for time in range targets when using continuous glucose monitoring.

 

This limit can be customized in the Glucose Targets and Limits section of your t:connect mobile app settings.

 

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Customer Support

Need help with your Dexcom CGM?

Tandem handles issues with the connection between your Dexcom transmitter and t:slim X2 pump, questions about calibration, the “---” display, and sensor failures after the 2-hour warmup period. To report a sensor failure after the 2-hour warmup period, visit tandemdiabetes.com/G6Form

For all other CGM issues, including sensor failures during the 2-hour warmup, “no restarts” alert, or physical problems with your sensor or transmitter, such as bleeding, bruising, skin reaction, adhesive issues, applicator issues, or broken wires, you should contact Dexcom using one of the options at dexcom.com/contact.

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