Procedure Code Prior Authorization Required Click here to find Procedure code list requiring PA by Service Area. Posted byMatt Westerfield October 16, 2023 0 Share: Related Articles MS SPA 20-0023 Medication Assisted Treatment approved by CMS Section 1135 Waiver termination notice submitted to HHS Public Notice for MS SPA 21-0012 Physician Services Civil Money Penalty Grant Training Public Notice for SPA 23-0032 Ambulatory Surgical Centers (ASC) Dental Services MS SPA 23-0017 Graduate Medical Education (GME) approved by CMS