Important Updates TDP UpdateDate Effective January 1, 2019, UCCI will use CDT 2019 procedure codes. Providers can submit claims using these codes for dates of service on or after January 1, 2019. 01/01/2019 Read about continuity of care information for TDP enrollees who have existing predeterminations that were approved under the prior TDP contract (before May 1, 2017) 5/1/2017
