The Centers for Medicare ad Medicaid Services (CMS) has approved the Intellectual Disabilities/Developmental Disabilities (ID/DD) waiver effective July 1, 2018. Posted byMatt Westerfield September 7, 2018 0 Share: Related Articles ID/DD 1915(c) Waiver Renewal submitted to CMS Mississippi Medicaid to remove all Medicaid copayments effective May 1, 2023 MS SPA 23-0032 Ambulatory Surgical Centers (ASC) Dental Services approved by CMS The Centers for Medicare and Medicaid Services conducts successful Medicare fee-for-service ICD-10 end-to-end testing week SPA 18-0009 Indian Health Services Encounter Limit approved by CMS Residential Life: Assisted Living Waiver serves unique role in the care of Mississippians