Explanation
The coding reference that should be used to access the general rules for the ICD-10-CM Includes Notes and Excludes Notes 1 and 2 is the ICD-10-CM Official Guidelines for Coding and Reporting. This document provides the conventions and instructions for the proper use of the ICD-10-CM classification system, including the definitions and examples of the Includes Notes and Excludes Notes 1 and 2. The document is updated annually by the Centers for Medicare & Medicaid Services (CMS) and the National Center for Health Statistics (NCHS), and is available online at 2. The other coding references listed are not specific to ICD-10-CM or do not contain the general rules for the Includes Notes and Excludes Notes 1 and 2.
References: 1: AHIMA CDIP Exam Prep, Fourth Edition, p. 133 3 2: ICD-10-CM Official Guidelines for Coding and Reporting FY 2021 4