- On the Manage DT4 Information for Your Center page, select one or more trials that have been assigned to program codes.
- Click Unassign (at the bottom of the page). The Unassign Program Codes dialog box appears with a list of all program codes, but only the ones assigned to the selected trials are available for selection.
- In the list, select one or more program codes.
- Click OK. The Program Code(s) column reflects your changes.