A Dexcom G7 continuous glucose monitor costs roughly $490 per month without insurance for the 15-day sensor version, or about $520 for the 10-day version. With insurance, most people pay $20 or less per month. The actual amount you’ll spend depends heavily on your coverage, which savings programs you use, and which version you choose.
Dexcom G7 Retail Prices Without Insurance
The Dexcom G7 is the current-generation system, and it comes in two sensor versions: one that lasts 10 days and one that lasts 15 days. Both give you 30 days of continuous glucose readings per refill, but they’re packaged differently. The 15-day version includes two sensors per box at about $490. The 10-day version includes three sensors per box at roughly $520.
You’ll also need a way to view your readings. Most people use a smartphone app, which is free. If you prefer a standalone display, the Dexcom G7 receiver costs about $378. That’s a one-time purchase, not a recurring expense.
Unlike the older G6 system, the G7 doesn’t require a separate transmitter. The transmitter is built into each disposable sensor, which simplifies the setup but means your only recurring cost is the sensors themselves.
What You’ll Pay With Insurance
Most commercially insured patients with CGM coverage pay $20 or less per month for Dexcom sensors. Your exact copay depends on your plan’s formulary, tier placement, and deductible structure. Some plans cover the G7 as a pharmacy benefit (picked up at your local pharmacy), while others cover it as durable medical equipment (shipped to your home). The classification can affect your copay.
If your insurance plan hasn’t added the G7 yet, Dexcom offers a “Simple Start” program that lets you get the G7 for $89 per month at a retail pharmacy while you wait for full coverage to kick in.
Medicare Coverage
Medicare Part B covers continuous glucose monitors if you take insulin or have a history of low blood sugar episodes, and you or your caregiver have been trained on how to use the device. After meeting your Part B deductible, you pay 20% of the Medicare-approved amount. For many beneficiaries, that works out to a modest monthly cost, though the exact figure depends on the approved amount in your area and whether you have supplemental coverage that picks up the remaining 20%.
How to Lower the Cost Without Insurance
If you’re paying out of pocket, you have two main options to cut the price significantly.
Dexcom’s own Pharmacy Savings Program knocks more than $210 off every 30-day supply of sensors and over $200 off the receiver. Anyone with a Dexcom prescription can use it, and you can reuse the coupon up to 12 times per year. The catch: you can’t combine it with insurance or other copay cards. It’s designed for cash-pay customers.
Pharmacy discount platforms like GoodRx can bring the price down even further. A 30-day supply of G7 15-day sensors drops to around $174 with a GoodRx coupon, compared to the roughly $490 retail price. That’s a 65% discount. GoodRx also lists the receiver at about $85.
For people with limited income, Dexcom runs a Patient Assistance Program that can reduce costs to as little as $45 for a 90-day supply. You’ll need to fill out an application to check eligibility.
Dexcom G6 Pricing
The older Dexcom G6 is still available and works differently. It uses 10-day sensors sold in boxes of three (a 30-day supply) plus a separate transmitter that lasts 90 days. At retail, a box of three sensors runs about $554 and a transmitter costs around $430. With a GoodRx coupon, those drop to roughly $174 for sensors and $50 for a transmitter. The transmitter cost, spread over three months, adds about $17 per month to your sensor expense.
How Dexcom Compares to FreeStyle Libre
The main competitor is Abbott’s FreeStyle Libre 3. For commercially insured patients, the Libre 3 typically costs between $0 and $75 per month, which is in the same general range as insured Dexcom pricing. The gap widens without insurance: Libre sensors generally carry a lower retail price than Dexcom sensors, making the Libre a more affordable option for uninsured or underinsured users.
The two systems differ in features beyond price. Dexcom’s G7 has historically offered more robust alert customization and broader compatibility with insulin pumps for automated delivery, which is why many users and their doctors prefer it despite the higher sticker price. If cost is your primary concern and you don’t need pump integration, the Libre 3 is worth discussing with your provider.
Annual Cost at a Glance
- Dexcom G7 at full retail: roughly $5,900 to $6,240 per year for sensors alone
- Dexcom G7 with GoodRx coupons: approximately $2,100 per year
- Dexcom G7 with insurance: around $240 per year or less for most commercially insured patients
- Dexcom G7 with Patient Assistance: as low as $180 per year for eligible individuals
These figures cover sensors only. Add the receiver cost if you don’t plan to use a smartphone. And keep in mind that pharmacy prices fluctuate, so checking a discount tool before each refill can save you money even if you used the same pharmacy last time.