Edit Existing References
- Open NextGen® Enterprise EHR.
 - From File, select System \ Practice Template.
   The Select Template window opens.
 - On the Practice tab, select the All option.
 - Select Dx Problem Groups Reference Systems, and then select OK.
 - In the Manage Reference System panel, select a reference system from the grid.
   The fields are dautomatically filled with the selected reference system information.
 - Edit the necessary details, select the Restrict Code checkbox, and then select Add/Update.
   Note: The Protocols, Office Diagnostics, and PT Exercise templates can have one associated code.