As an innovator in real-time CGM, Dexcom knows CGM. It’s all we do. We’re committed to continuously innovating our products to empower people with diabetes to stay engaged and motivated toward their goals. With Dexcom G7, we’ve made several advancements to make it even more accurate, easier to use, and discreet.
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Dexcom G7The most accurate CGM*,1, that’s also our smallest, most customizable and easiest to use. Learn More
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Dexcom G6Ideal for those looking to connect their CGM to a compatible automated insulin delivery system (AID). Learn More
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| Continuous glucose data visibility |  |
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| All-in-one sensor and transmitter | |
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| Sensor start | Starts automatically when applied | -- |
| Sensor warm-up time | 30 minutes | 2 hours |
| Accuracy (MARD measured on the back of upper arm) |
Most accurate:*,1 Adults: 8.2% Pediatrics: 8.1% |
Highly accurate:* Adults: 9.0% Pediatrics: 6.2% |
| Sensor size | Smallest sensor – 60% smaller than G6 | Small sensor |
| Real-time high/low alerts with automatic glucose readings | |
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| Rise/fall rate alert | |
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| Predictive Urgent Low Soon Alert | |
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| Delay first alert | |
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| Compatible with Automated Insulin Delivery (AID) Systems | No | Yes‡ |
| Grace period (for changing sensors) |
(up to 12 hours) |
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| Water resistance | Waterproof: 24 hours at 2.4 meters | Water resistant: Up to 24 hours at 2.4 meters |
| Wear location | Back of upper the arm, abdomen, upper buttocks (aged 2 to 6 years old)† | Back of upper the arm, abdomen, upper buttocks (aged 2 to 17 years old) |
| Age indication | Individuals with Type 1 or Type 2 diabetes aged 2 years+ | Individuals with Type 1 or Type 2 diabetes aged 2 years+ |
| Use in pregnancy | Yes | No |
| Remote monitoring | Follow app |
Follow app |
| Shareable data with healthcare professionals | Dexcom Clarity app§ |
Dexcom Clarity app§ |
| Length of sensor wear | 10 days + 12-hour grace period | 10 days |
* When compared with CGM systems commercially available in Canada as of October 2023. Sensors worn on the back of the upper arm have been found to be slightly more accurate than sensors worn on the abdomen.
† Abdomen may only be used in non-pregnant individuals; upper buttocks may only be used in children 2-6 years old.
‡ When integrated with the Tandem t:slim X2 Insulin Pump.
§ Healthcare providers will only be able to view a user’s glucose data if the user elects to share it with them through Dexcom Clarity.
1. Dexcom G7 CGM System User Guide.