Essential Industry Resources (External) Documentation Requirements Complying With Medical Record Documentation Requirements Coding Guidelines 2021 AMA E&M Updates 2021 ICD-10-CM Official Guidelines for Coding and Reporting 2021 ICD-10-PCS Official Guidelines for Coding and Reporting NCCI Policy Manual for Medicare Services – Effective January 1, 2020 (ZIP) Office of Inspector General CMS Audit Reports Compliance Resource Portal Medicare Audit Programs Introduction to Comprehensive Error Rate Testing (CERT) The Recovery Audit Program and Medicare Medicare Program Integrity Manual Chapter 4