For Dexcom continuous glucose monitoring (CGM) specific issues, please contact Dexcom using one of the options at dexcom.com/contact. Please see table for a full list of who to contact for Dexcom CGM issues.
Tandem handles issues with the connection between your Dexcom transmitter and t:slim X2™ insulin pump, as well as the below issues which you can now report online using our quick reference resources: