Table 2.

CPT Codes for CGM Services

Code	Description and Notes
95249	Personal CGM startup. This service involves ambulatory CGM of interstitial tissue fluid via a subcutaneous sensor for a minimum of 72 hours using patient-provided equipment and includes sensor placement and removal, device initiation/system start-up and calibration, patient training, and recording printout. Cannot be billed for a given patient more than once per month.
95250	Professional CGM startup. This service involves ambulatory CGM of interstitial tissue fluid via a subcutaneous sensor for a minimum of 72 hours using clinic-provided equipment and includes sensor placement and removal, device start-up and calibration, patient training, and recording printout. Cannot be billed for a given patient more than once per month.
95251	CGM data interpretation. This service involves analysis, interpretation, and reporting of data from ambulatory CGM of interstitial tissue fluid via a subcutaneous sensor for a minimum of 72 hours using patient- or clinic-provided equipment. Cannot be billed for a given patient more than once per month.
E/M codes	For an appointment in an office setting, appropriate code to be determine by the office at the time of service.