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 Elderly and Disabled Waiver approved Recredentialing and Revalidation MississippiCAN beneficiary workshops Public Notice of Annual Post-Award Forum for 1115(a) Healthier Mississippi Waiver MS SPA 23-0007 Outpatient Prospective Payment System (OPPS) approved by CMS Public Notice for SPA 23-0025 MYPAC Coverage and Reimbursement