If the battery on my Tandem insulin pump runs out, do I need to restart my Dexcom G6 CGM sensor session or calibrate when the pump powers on again?

No. The sensor session information is stored on the Dexcom CGM transmitter. You will need to start a new CGM session on your pump, but you do not need to re-enter the sensor code.

Important note about Dexcom support:

For "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.

If you have paired a Dexcom CGM with your Tandem insulin pump, and your question isn't answered in this help section, you should contact Tandem customer technical support for all other issues by calling (877) 801-6901.

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