Final PDPM Grouper DLL V1.0009 (Supporting Info Updated) Effective Oct. 1, 2020 AAPACN Billing and Reimbursement / MDS 3.0 and the RAI Process / NAC / Post-Acute Care News February 4, 2021 May 18, 2021 Share via: Facebook Twitter LinkedIn February 4, 2021 An update to the PDPM Grouper DLL package was posted. This is NOT a change to the previously posted DLL file itself, just supporting information. The documentation file was updated, as there were...Oops! This is member-only content. Please login, sign up for a full membership, or sign up for a free 30-day trial membership to access this content.