Dexcom G6 Discontinued: G7 vs G6, and How to Switch

Dexcom stopped making the G6 continuous glucose monitor after July 1, 2026. If you still wear one, nothing stops working overnight, but supplies are no longer guaranteed. Here is what changed, how the G7 and the newer G7 15 Day compare with the G6, and how to switch without a gap.

This article is general information. SweetLife is not affiliated with Dexcom. Check the details for your own devices and insurance with your doctor, pharmacy or Dexcom.

What Dexcom Announced

Dexcom says it will no longer manufacture the G6 after July 1, 2026, and that it cannot guarantee G6 availability after that date. Pharmacies and suppliers may still have stock for a while. Dexcom says it will continue to provide technical support for the app and for unexpired G6 supplies under warranty. Its recommendation is to work with your doctor to move to the G7 or the G7 15 Day at your next appointment.

G6 vs G7 vs G7 15 Day

The grace period is extra time at the end of a session to change the sensor when it suits you. Because G7 15 Day is for adults only, children and teens switch to the standard G7.

What Changes Day to Day

• No transmitter to look after. On the G6 you clipped a reusable transmitter onto each sensor and replaced it every three months. The G7 sensor and transmitter are a single disposable unit.
• A shorter warm-up. Readings start after 30 minutes on the G7 and an hour on the G7 15 Day, against two hours on the G6.
• Fewer changes on G7 15 Day. Fifteen days per sensor, plus the grace period, means fewer sensor changes a month for adults.

If You Use an Insulin Pump

According to Dexcom, the G7 works with the iLet Bionic Pancreas, Omnipod 5, Tandem Mobi and Tandem t:slim X2. For the G7 15 Day, Dexcom says adults using Omnipod 5 or the iLet can upgrade, but Tandem users should stay on the standard G7 for now while compatibility is being completed. Confirm with your pump maker before you switch, because an automated system that cannot see your sensor cannot adjust your insulin.

If You Use a Dexcom Receiver

Dexcom says a receiver used with the G6 can be updated to work with the G7 or G7 15 Day, but if you have the G6 Touchscreen Receiver, you will need a new one.

How to Switch

1. Ask your prescriber for a G7 or G7 15 Day prescription; you cannot just reorder the G6 one.
2. Check your coverage with your insurer or pharmacy before your G6 supplies run low.
3. Check pump compatibility if you use automated insulin delivery (see above).
4. Use up your G6 supplies while they are in date, then start your first G7 sensor. Dexcom says your account data carries over to the G7 app.
5. Reconnect anything that read from the old app — followers, a smartwatch, or apps that use your glucose data.

Where SweetLife Fits

SweetLife can read glucose from Apple Health. If you share your Dexcom readings to Apple Health, check after the switch that the new G7 app has permission to write to it, so your readings keep flowing into SweetLife. For a wider look at today’s sensors, see our comparison of Dexcom and FreeStyle Libre.

The Short Version

Dexcom stopped making the G6 after July 1, 2026, and recommends moving to the G7 (10 days, ages 2 and up) or the G7 15 Day (15 days, adults only). Both have the transmitter built in, a 12-hour grace period and a much shorter warm-up. Tandem pump users should stay on the standard G7 for now. Ask your prescriber for a new prescription before your G6 supplies run out.

Sources

• Dexcom. Upgrade to Dexcom G7 or G7 15 Day from G6. www.dexcom.com/en-us/g6-transition
• Dexcom. Upgrade your patients to Dexcom G7 CGM (healthcare providers). provider.dexcom.com/switch-to-g7-15-day
• Dexcom. How long can I wear the Dexcom G7 CGM sensor? www.dexcom.com/en-us/faqs/how-long-can-i-wear-the-sensor
• Dexcom. 3 steps to set up the Dexcom G6 receiver. www.dexcom.com/en-us/training-videos/getting-started-and-setting-dexcom-g6-receiver