From the main Sammy screen:
- Click 'Libraries'
- Click 'Diagnostic Library'
- Click 'Manage Codes'
- Click 'Scan Claim History for Used Codes'
- Click 'Go' on the next screen.
You will have the option on the final screen to make the commonly used codes your DX library to pick from when in billing. If you would like to do that, click 'Make This My Library' when the option comes up.