MS SPA 23-0016 All Patient Refined Diagnosis Related Groups (APR-DRG) Reimbursement was submitted to update the hospital inpatient methodology with an effective date of July 1, 2023. For more information, read the approved SPA pages. Posted byMatt Westerfield November 14, 2023 0 Share: Related Articles Important MississippiCAN, CHIP billing changes for pharmacy providers Public Notice for the Post-Award Forum on Mississippi Section 1115(a) Family Planning Demonstration MS SPA 23-0018 1915i Community Support Program (CSP) submitted to CMS MS SPA 22-0023 Ambulance Supplemental Payment Program submitted to CMS MS SPA 23-0007 Outpatient Prospective Payment System (OPPS) approved by CMS Public Notice for SPA 23-0025 MYPAC Coverage and Reimbursement