In May 2020, CMS updated the Minimum Data Set (MDS) 3.0 item sets to support calculation of Patient-Driven-Payment-Model (PDPM) case mix groups on OBRA assessments. In October 2020, NC Medicaid began requiring the completion and submission of the 28 MDS item set fields associated with PDPM on all OBRA nursing home comprehensive (NC) and quarterly (NQ) MDS assessment submissions.