Dexcom G7 & Tandem t:slim X2 insulin pump FAQs

I'm currently on Dexcom G6 and the Tandem t:slim X2 insulin pump with Control-IQ technology (software version 7.7 or later). How do I upgrade to be able to connect Dexcom G7?
If you are getting your Dexcom CGM supplies through:
Durable Medical Equipment (DME) Distributor:
Reach out to your DME distributor and mention you are on a Tandem automated insulin delivery system and would like to upgrade to Dexcom G7.
Pharmacy:
Reach out to your healthcare provider for a Dexcom G7 prescription.
I already have a Dexcom order on file at a DME distributor. Does my healthcare provider have to write a new order for Dexcom G7?
Your DME distributor may be able to use your current order on-file to upgrade you to Dexcom G7. Call your DME distributor to confirm if you need your healthcare provider to send a new order for Dexcom G7. If so, you can ask them to fax a request to you healthcare provider for a Dexcom G7 order.
I already have a Dexcom G6 prescription at the pharmacy. Does my healthcare provider have to write a new prescription for G7?
Yes. Ask your healthcare provider to send a new prescription for Dexcom G7 to the pharmacy.
When am I eligible to order Dexcom G7?
Call your DME distributor or pharmacy that dispenses your Dexcom supplies to find-out when your insurance will allow you to fill your next order for CGM supplies.
I'm insured by Medicare. Am I required to get a Dexcom G7 receiver? Will Medicare pay for a new receiver, if I already have a Dexcom G6 receiver?
In order to qualify for Medicare coverage of your Dexcom G7 supplies, Medicare requires that you have a receiver that is compatible with Dexcom G7 and that you use that receiver with your supplies, even if you also use a compatible smart device, regardless of whether you use an insulin pump. If Medicare does not pay for a new receiver, Dexcom has launched a new upgrade program that includes a Dexcom G7 receiver at no charge for eligible customers.
I receive healthcare from the VA and I’m new to Dexcom and Tandem. How do I get Dexcom G7 and the t:slim X2 pump?
Ask your VA healthcare provider to send a prescription for Dexcom G7 to the VA pharmacy and to submit an order for t:slim X2 to the prosthetics department.
I receive healthcare from the VA and I’m currently on Dexcom G6 and t:slim X2 with Control IQ technology (software 7.7 or later). How do I upgrade to be able to connect my t:slim to Dexcom G7?
Ask your VA healthcare provider to send a prescription for Dexcom G7 to the VA pharmacy.
If I'm on the Dexcom G7 and the Tandem t:slim X2 insulin pump, do I call Dexcom or Tandem for Technical Support
Please visit https://www.dexcom.com/en-us/faqs/tandem-faqs for information about who to contact for system support.
What are the features and benefits of Dexcom G7?
  • 60% smaller, all-in-one, discreet wearable, easier to use with fewer components than the Dexcom G6
  • 30-minute warmup time
  • Improved accuracy (overall MARD of 8.2%)
  • 10 days wear + 12-hour grace period
  • Indicated for wear on the back of the upper arm for ages 2 years and older and also the upper buttocks for ages 2 – 6 years old. The Tandem t:slim X2™️ Insulin Pump is indicated for ages 6 years and older.
What phones are compatible with Dexcom G7?
To determine if your smartphone is compatible with Dexcom G7, please visit www.dexcom.com/compatiblity.
What are the benefits of the updated Tandem t:slim X2 insulin pump software?
  1. Compatibility with both Dexcom G6 and G7
  2. Duration timer for Exercise Activity (customizable from 30 mins to 8 hours)
  3. Six-digit numeric Mobile App pairing code (previously 16 alpha-numeric)
  4. Updated pump sounds
  5. Seamless Activity transition (no need to stop an Activity before switching to a different Activity)
  6. Updated Auto-Off alarm defaulted off (with new pumps)
What are the key differentiators of using the Dexcom G7 with the Tandem t:slim X2 insulin pump?
Dexcom and Tandem have been trusted partners in diabetes management for over 10 years. Dexcom G7 and Tandem t:slim X2 insulin pump key differentiators include:
  • Short - 30 minute warmup
  • Ability to use Share and Follow features to share your numbers with up to 10 people
  • Non-adjunctive, meaning no fingersticks to make treatment decisions
Does my doctor have to write a prescription for the Tandem t:slim X2 insulin pump with Control IQ Technology software update?For existing t:slim X2 with Control-IQ users, there is no pump prescription needed to update your pump software.
How do I know if my Dexcom G7 sensor is compatible with my Tandem t:slim X2 insulin pump?
You will learn how to identify a compatible Dexcom G7 sensor on:
  • Pump screen error message
  • Tandem training checklist for new users
  • Software update portal for current users
For additional information, please navigate to www.tandemdiabetes.com/g7support.
My Dexcom G7 is not compatible with my Tandem t:slim X2 insulin pump. What do I do?
If you've received an incompatible Dexcom G7 sensor, please visit tandemdiabetes.com/g7support.
Will Dexcom G7 work with the t:connect app?
Yes, the Dexcom G7 is compatible with the t:connect app.
How can I get started with Dexcom G7 and the Tandem t:slim X2 insulin pump if I'm currently not on a pump OR on another AID system?
Please ask your healthcare provider for a prescription.
Can I wear my G6 and G7 at the same time?
No, you cannot wear them at the same time.

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