ICD-10-CM and ICD-10-PCS Updates: 2026

The 2026 revisions for ICD-10-CM and ICD-10-PCS are effective October 1, 2025. This book describes these important changes in detail and describes how this will affect your coding. Not using the most current codes can affect your reimbursement. This book includes detailed information not available elsewhere.
The revisions include updates to the official guidelines and the codes for both ICD-10-CM and ICD-10-PCS.
The ICD-10-CM section includes changes to the guidelines for chapters 1, 2, 4, 9, 13, and 21. Code updates for the Tabular List include changes to chapters 1-4, 6, 7, 9, 10, 12-14, 17-21. This section also includes definitions of new terms.
The ICD-10-PCS section includes changes to the general guidelines, and revisions in the Medical and Surgical Section, Medical and Surgical-Related Sections, and New Technology Section. This also includes definition of new terms.