In-warranty t:slim X2 pump users in the United States can add the Control-IQ feature free of charge. The process requires a new prescription and online training, all of which are coordinated through a simple-to-use online portal which existing users can log into with their existing t:connect account credentials.
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.
Please see table for a full list of who to contact for Dexcom CGM issues.
Tandem handles issues such as loss of connection (on pump only) and the invalid transmitter (Alert 29) on pump only.