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TABLE 7.3

CGM Devices

Type of CGMDescription
rtCGM CGM systems that measure and display glucose levels continuously. 
isCGM with and without alarms CGM systems that measure glucose levels continuously but require scanning for visualization and storage of glucose values. 
Professional CGM CGM devices that are placed on the person with diabetes in the HCP’s office (or with remote instruction) and worn for a discrete period of time (generally 7–14 days). Data may be blinded or visible to the person wearing the device. The data are used to assess glycemic patterns and trends. Unlike rtCGM and isCGM devices, these devices are clinic-based and not owned by the person with diabetes. 
Type of CGMDescription
rtCGM CGM systems that measure and display glucose levels continuously. 
isCGM with and without alarms CGM systems that measure glucose levels continuously but require scanning for visualization and storage of glucose values. 
Professional CGM CGM devices that are placed on the person with diabetes in the HCP’s office (or with remote instruction) and worn for a discrete period of time (generally 7–14 days). Data may be blinded or visible to the person wearing the device. The data are used to assess glycemic patterns and trends. Unlike rtCGM and isCGM devices, these devices are clinic-based and not owned by the person with diabetes. 
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