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Who should I contact for issues with my Dexcom CGM?
Guide to Pump Alerts - t:slim X2 insulin pump
Guide to Pump Alarms - t:slim X2 insulin pump
Tandem's Guide to Successful Pumping

Need help with your Dexcom CGM?

For Dexcom continuous glucose monitoring (CGM) specific issues including calibration prompt will not clear, sensor failure 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, please contact Dexcom using one of the options at dexcom.com/contact or report the issue online at https://dexcom.custhelp.com/app/webform.

Tandem handles issues such as loss of connection (on pump only) and the invalid transmitter (Alert 29) on pump only.

Getting started

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Customer Support

Need help with your Dexcom CGM?

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