What is a continuous glucose monitor (CGM)?

freestyle libre cgm sensor and phone display
freestyle libre cgm sensor and phone display
freestyle libre cgm sensor and phone display

See the full picture*1

Unlike traditional blood glucose monitoring (BGM) or fingersticks, continuous glucose monitoring (CGM) devices—such as those in the FreeStyle Libre portfolio—are small, sensor-based systems that provide minute-to-minute glucose readings day and night. They provide a complete glycemic picture*1 without the pain and hassle of fingersticks.

How does a continuous glucose monitor work?

Sensor readings are taken from the interstitial fluid (ISF), a thin layer of fluid that surrounds the cells of the tissues below the skin, and then paired with a smartphone or reader§.

Why are CGMs useful?

CGM systems can:

Collect glucose data day and night without fingersticking, allowing for greater insights into patterns and trends2

 

Track glucose data in a way that provides easy visibility to hidden problems*1

Impact Hba1C*3-9 and hypoglycemia*10,11, alerting‖¶ members—and even caregivers#—when glucose levels are too high or too low

Engage members in managing their diabetes by showing how different foods and activities may affect their glucose levels

Learn about the #1 CGM in the US**

The FreeStyle Libre portfolio brings together an ecosystem of digital tools and features that members, providers, and caregivers can rely on.

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Product images are for illustrative purposes only. Not actual patient data.

Medicare and other payor criteria may apply. 

The LibreView data management software is intended for use by both patients and healthcare professionals to assist people with diabetes and their healthcare professionals in the review, analysis and evaluation of historical glucose meter data to support effective diabetes management. The LibreView software is not intended to provide treatment decisions or to be used as a substitute for professional healthcare advice.

The FreeStyle Libre 3 system and FreeStyle Libre 2 system are indicated for patients ages 4 and older.

* Study was performed with the outside US version of the FreeStyle Libre 14 day system. Data is applicable to FreeStyle Libre 2 system and FreeStyle Libre 3 system, as feature sets are similar as FreeStyle Libre 14 day system, excluding alarms.

† Fingersticks are required if your glucose alarms and readings do not match symptoms or when you see Check Blood Glucose symbol during the first 12 hours.

‡ The FreeStyle Libre systems apps are only compatible with certain mobile devices and operating systems. Please check the Support section of our website for more information about device compatibility before using the apps. Use of the FreeStyle Libre systems apps may require registration with LibreView.

§ The FreeStyle Libre systems apps and the FreeStyle Libre systems readers have similar but not identical features. Fingersticks are required for treatment decisions when you see the Check Blood Glucose symbol and when your glucose alarms and readings from the system do not match symptoms or expectations.

|| Notifications will only be received when alarms are turned on and the sensor is within 33 feet unobstructed of the reading device. You must enable the appropriate settings on your smartphone to receive alarms and alerts, see the FreeStyle Libre 3 User’s Manual for more information.

¶ Notifications will only be received when alarms are turned on and the sensor is within 20 feet unobstructed of the reading device. You must enable the appropriate settings on your smartphone to receive alarms and alerts, see the FreeStyle Libre 2 User’s Manual for more information.

# The LibreLinkUp app is only compatible with certain mobile devices and operating systems. Please check http://www.librelinkup.com for more information about device compatibility before using the app. Use of the LibreLinkUp app requires registration with LibreView. LibreLinkUp is not intended to be used for dosing decisions. The user should follow instructions on the continuous glucose monitoring system. LibreLinkUp is not intended to replace self-monitoring practices as advised by a physician.

 ** Data based on the number of patients assigned to each manufacturer based on last filled prescription in US Retail and DME.


References:
1. 
Unger J, et al. Postgrad Med. (2020): https://doi.org/10.1080/00325481.2020.1744393 2. FreeStyle Libre 3 User’s Manual. 3. Carlson AL, et al. BMJ Open Diabetes Res Care (2022): https://doi.org/10.1136/bmjdrc-2021-002590 4. Evans M, et al. Diabetes Ther (2022): https://doi.org/10.1007/s13300-022-01253-9 5. Wright, E. Diabetes Spectr (2021): https://doi.org/10.2337/ds20-0069 6. Kroger, J. Diabetes Ther (2020): https://doi.org/10.1007/s13300-019-00741-9 7. Tyndall, V. Diabetologia (2019): https://doi.org/10.1007/s00125-019-4894-1 8. Yaron, M. Diabetes Care (2019): https://doi.org/10.2337/dc18-0166 9. Campbell, F. Pediatr Diabetes (2018): https://doi.org/10.1111/pedi.12735 10. Bolinder, J. The Lancet (2016): https://doi.org/10.1016/s0140-6736(16)31535-5 11. Haak, T. Diabetes Ther (2017): https://doi.org/10.1007/s13300-016-0223-6

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Important Safety Information

FreeStyle Libre 14 day, FreeStyle Libre 2 and FreeStyle Libre 3 systems: Failure to use FreeStyle Libre systems as instructed in labeling may result in missing a severe low or high glucose event and/or making a treatment decision, resulting in injury. If glucose reading and alarms (if enabled) do not match symptoms or expectations, use a fingerstick value from a blood glucose meter for treatment decisions. Seek medical attention when appropriate or contact Abbott at 855-632-8658 or FreeStyleLibre.us for safety info.

The sensor housing, FreeStyle, Libre, and related brand marks are marks of Abbott. Other trademarks are the property of their respective owners.


No use of any Abbott trademark, trade name, or trade dress in this site may be made without prior written authorization of Abbott Laboratories, except to identify the product or services of the company.

This website and the information contained herein is intended for use by residents of the United States.

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