To link ADA and CPT codes:
Select an option:
Select List > ADA --> CPT.
In any window, press Ctrl +V.
The Cross Coding for ADA code window is displayed in EDIT mode.
Select the ADA code to link from the ADA drop-down list.
Click Add. The Add Cross Coding for ADA code window is displayed.
Type the CPT code to link in the CPT Code field and click OK.
Click Close.