Purchase Test Codes
Buy Test Codes for individual or group assessment use.
Purchase Test Codes
AdministrationAdministration
Where would you like to go?
Choose the area that matches what you need to do.
Purchaser Portal
Verify your purchaser email to manage orders, Test Codes, receipts, and authorized participant results.
Open Purchaser PortalParticipant Portal
Verify your assessment email to view your pattern history, reports, and free Participant Learning course.
Open Participant PortalOwner Administration
Authorized TDF owners can manage purchases, Test Codes, assessment results, participants, and validation.
Open Owner Administration