Diagnosis coding corner: Get a glimpse of 180-plus new ICD-10-CM codes set to take effect Oct. 1

Why This Topic Matters

Proposed ICD-10-CM updates can affect diagnosis reporting, documentation review, and readiness for the annual code set changeover. This article helps stakeholders identify which specialties and code groups may need review before the effective date.

Article Sections

1. Take note of additions, revisions and deletions

   Summarizes the proposed ICD-10-CM update and its overall scope, including the number of new, revised, and invalidated codes. Introduces the major diagnosis categories affected by the change package.

2. FY2027 ICD-10-CM proposed change counts, by chapter

   Provides a chapter-by-chapter breakdown of the proposed changes across the ICD-10-CM structure. This section gives readers a quick way to see which parts of the classification are changing most.

3. Resources

   Lists external reference sources cited with the article, including CMS materials and VA exposure resources.