September 2023 Updates to the Drug Data Processing System (DDPS)

Relevant to: All Part D Plan Sponsors

The Centers for Medicare & Medicaid Services (CMS) is announcing upcoming changes to the Drug Data Processing System (DDPS) effective September 18, 2023. CMS is posting the Prescription Drug Event (PDE) Edit Code Listing spreadsheet and inbound and outbound PDE file layouts reflecting these updates on the CSSC Operations website concurrent with the release of this memo.

See the full guidance for more information.