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 21-0046 MSCAN Procurement Method approved by CMS MS SPA 20-0013 Vaccines approved by CMS Medicaid to implement single Pharmacy Benefit Administrator July 1, 2024 MS SPA 20-0009 Third Party Liability submitted to CMS Public Notice for SPA 23-0032 Ambulatory Surgical Centers (ASC) Dental Services MS SPA 23-0017 Graduate Medical Education (GME) approved by CMS