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CGS Administrators, LLC

IVR: 866.238.9650 Customer Service and myCGS: 866.270.4909

October 15, 2019

Requesting a Reopening for Class III Continuous Glucose Monitors and Supply Allowance

Class III Continuous Glucose Monitors and the related monthly supply allowance should be billed with the KF modifier. If you submitted an initial claim without this modifier, you can submit claims for adjustment via a written request. Effective October 15, 2019, CGS will no longer process these requests via telephone. If submitting a request in the form of a spreadsheet, please include the information below:

Spreadsheets may be faxed to 615.660.5978 or mailed to CGS, PO Box 20007, Nashville, TN 37202.

NOTE: Please send only one request per PTAN with your spreadsheet.

For additional information, refer to the following documents:

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