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 23-0027 Recovery Audit Contractors (RACs) submitted to CMS MS SPA 21-0032 Dental and Orthodontic Services submitted to CMS MS SPA 21-0021 Extended Services for Pregnant Women submitted to CMS Public Notice for SPA 22-0008 Independent Lab and X-ray Services Public Notice for SPA 23-0032 Ambulatory Surgical Centers (ASC) Dental Services MS SPA 23-0017 Graduate Medical Education (GME) approved by CMS