BGM refers to fingerstick glucose checks done with a blood glucose meter. Encourage people who take insulin and use BGM to check their glucose when appropriate based on their insulin therapy. This may include:

There are different types of CGM systems, including:

  • Real-time CGM systems, owned by individuals and measure and display glucose levels continuously.

  • Intermittently scanned CGM systems, owned by individuals and measure glucose levels continuously but require scanning for visualization and storage of glucose values.

  • Professional CGM systems, owned by clinics and intended to be used temporarily for 7–10 days to inform self-management and treatment decisions for people with diabetes. Data may be blinded or visible to the person wearing the device.

Who can benefit from CGM?

  • CGM should be offered for adults with diabetes using insulin therapy (basal only, multiple daily injections, or pump therapy).

  • CGM should be offered for youth with type 1 or type 2 diabetes using multiple daily injections or insulin pump therapy.

  • CGM can be helpful as an adjunct to BGM for pregnant individuals with diabetes.

  • Periodic use of personal or professional CGM can be helpful for diabetes management when consistent use is not desired or available.

Section 7 of the complete ADA Standards of Care in Diabetes—2024 includes a wealth of additional information on blood glucose meters, evidence supporting the use of CGM, various insulin delivery systems, and digital health apps and online programs.

Readers may use this article as long as the work is properly cited, the use is educational and not for profit, and the work is not altered. More information is available at