ICD-10-CM Code Book 2026

by AAPC

Official 2026 ICD-10-CM Expert Code Book


Developed for students and professionals alike, the ICD-10-CM Expert 2026 is designed for coders by coders. It is custom-tailored as an easy, essential reference for use in the office, medical facilities, classrooms, and for exams.


The ICD-10-CM Expert 2026 will not only ensure that you’re up to speed with 2026 updates — it will help you check your coding for medical necessity. With color coding and illustrations, you’ll easily navigate, digest, and remember the material.


Key features and


Complete 2026 ICD-10-CM code set with new codes, new text, revised codes, and revised text Summary of 2026 ICD-10-CM code changes in an easy-to-review appendix 2026 Official Guidelines for Coding and Reporting with quick-view flow charts to help students and professional coders meet compliance requirements Chapter-specific guidelines before each chapter so you can quickly reference the current year’s guidelines you need for the codes you use most “Eye” symbols alert clinical you that a specific code has a guideline reference Anatomy and physiology descriptions before Tabular List chapters provide information pertaining to specific body anatomy and diseases Special color coding throughout to highlight instructional notes, bilateral and unilateral indicators, and other features Symbols and highlights for Medicare code edits to highlight age, sex, manifestation, other specified and unspecified codes Indicators alert medical billers to MACRA codes required for MIPS quality and cost measure reporting Extension “X” symbol to alert you to the ICD-10-CM placeholder “x” convention Appendix with Z codes for long-term use of drugs Symbol for Z codes used as the first-listed diagnosis Expanded online updates and tips to help you improve accuracy and efficiency Highlighted vertical lines orient the eye to the correct indentation throughout the Index to Diseases and Injuries Full-color anatomical illustrations at the front of the book and throughout the Tabular List Adhesive tabs save you time by eliminating the search for your high-trafficked codes Spiral binding allows your book to lay flat when open

1392 pages, Spiral-bound

Published September 1, 2025

About the author

The AAPC, previously known by the full title of the American Academy of Professional Coders, is a professional association for people working in specific areas of administration within healthcare businesses in the United States. AAPC is one of a number of providers who offer services such as certification and training to medical coders, medical billers, auditors, compliance managers, and practice managers in the United States. As of October 2018, AAPC has over 175,000 worldwide members, of which nearly 108,000 are certified.
---from wikipedia