Product details
System overview
Cost and coverage
Wear time and wear location
What is continuous glucose monitoring (CGM)?
The Dexcom G7 15 Day CGM system sends your glucose numbers to your smartphone* and Dexcom receiver without fingersticks.§ An arrow shows the direction your glucose is heading—up, down, or steady.
This allows you to make confident decisions about food, activity, and medications, giving you the knowledge to better control1,2 diabetes, for healthier tomorrows.
Dexcom CGM is proven to increase time in range, lower A1C, and reduce hyper and hypo-glycemia which can help prevent the long-term complications associated with diabetes.5-11
The #1 recommended CGM brand12,13 is covered by Medicare
Medicare covers Dexcom G7 15 Day for people living with diabetes who are on any type of insulin or experience low blood glucose events. No other CGM system is more affordable than Dexcom G7 15 Day for Medicare patients.**
An easier way to manage diabetes,
for more peace of mind14,15
Small, comfortable wearable – So small, comfortable, and discreet most people forget they are even wearing it.3
Easy to use – Dexcom G7 15 Day is easy to apply, easy to wear, and easy to use.4 See your glucose numbers in real time by simply glancing at your Dexcom receiver or smartphone.*
Longest-lasting CGM System†,‡,3 – Dexcom G7 15 Day is the longest lasting CGM system available, with fewer sensor changes and fitting seamlessly into your daily life.
Spend more time doing what you love
Lower A1C
Quality of life
Built-in support
FAQs
Will my insurance cover a Dexcom CGM system?
How much does Dexcom G7 cost?
How is Dexcom G7 15 Day different from Dexcom G7?
Get Started with Dexcom
Take the first step towards better health! Glucose health is a crucial part of overall health, and Dexcom has the best sensing solution for you or your loved one regardless of your health goals. We'll make getting started easy from the comfort of your home.
If you are a Medicare beneficiary, you may be eligible for CGM coverage if you meet the following criteria:
- You have been diagnosed with diabetes
- Your provider has determined that you or their caregiver understands how to use CGM, and you have provided a prescription
- The CGM is prescribed in accordance with an FDA indication for its use
- You have been diagnosed with diabetes and meets one of the following criteria:
- You are treated with any insulin, or
- You have a history of problematic hypoglycemia, with documentation of at least of one following:
- One or more Level 2 hypoglycemic events (glucose <54mg/dL) that persist despite one or more modifications of the diabetes treatment plan and/or adjustment of medication, OR
- One Level 3 hypoglycemic event (glucose <54mg/dL) characterized by altered mental and/or physical state requiring third-part assistance for treatment of hypoglycemia
- You have an in-person or Medicare-approved visit with the practitioner prescribing the CGM within 6 months of initiating CGM therapy
- You have an in-person or Medicare-approved visit with the practitioner who prescribed the CGM every 6 months after initiating CGM therapy
*Compatible smart devices sold separately: dexcom.com/compatibility. †A study was conducted to assess the sensor life where 73.9% of sensors lasted the full 15 days. When using the product per the package labeling, approximately 26% of sensors may not last for the full 15 days. ‡Excludes implantable CGM systems. ||Medicare covers Dexcom CGM for patients who meet the Medicare coverage criteria. For the full list of Medicare coverage criteria, visit the Centers for Medicare and Medicaid services website. ¶Patients reported that 94% of Dexcom G7 sensor insertion was painless (mild, no discomfort). #Audible and visual notification of predictive alert at 55 mg/dl within 20 minutes. **Under Medicare’s DME fee schedule, reimbursement and coinsurance for CGM’s using CPT codes A4239 and E2103, are the same, regardless of CGM brand. ††Separate Dexcom Follow app and internet connection required. ‡‡Savings based on $200 off retail cash price of monthly sensor pack and $240 off Dexcom G7 receiver over 1-year period. §§To learn more about insulin pump integrations and compatibility with Dexcom CGM Systems, visit dexcom.com/integrate. ¶¶Compatible smartphone is required to pair a new Dexcom G7 sensor with a compatible Apple Watch. To use Share/Follow the smartphone must be within 33 feet of the Dexcom G7.
1 Ehrhardt N, et al. Clin Diabetes. 2020:38(2):126-131. 2 Clark TL, et al. Diabetes Technol Ther. 2024;26(10):700-8. 3 Dexcom, data on file, 2025. 4 Dexcom G7 15 Day User Guide. 5 Beck, RW, et al. JAMA. 2017;317(4):371-378. 6 Beck RW, et al. Ann Intern Med. 2017;167(6):365-374. 7 Martens T, et al. JAMA. 2021;325(22):2262-2272. 8 Garg SK, et al. Diabetes Technol Ther. 2025;27(6):413-502. 9 Welsh JB, et al. J Diabetes Sci Technol. 2024;18(1):143-7. 10 Heinemann L, et al. Lancet. 2018;391(10128):1367-77. 11 The DCCT Research Group. N Engl J Med. 1993. 329(14).977-86. 12 Seagrove Patient Survey 2024. 13 Seagrove HCP Survey Q3 2024. 14 Polonsky WH, et al. J Diabetes Sci Technol. 2022;16(1):97-105. 15 Gilbert TR, et al. Diabetes Technol Ther. 2021;23(S1):S35-S39. 16 Dexcom, data on file, 2024.
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