Discover 395 new ICD-10-CM codes taking effect in October, plus revisions, deletions

Why This Topic Matters

Annual ICD-10-CM updates affect diagnosis reporting, documentation review, and code set maintenance. Understanding the scope of the changes helps coding and compliance teams prepare for the October effective date and identify areas of the code set with significant revision activity.

Article Sections

1. FY 2024 ICD-10-CM update overview

   Summarizes the scope of the annual ICD-10-CM update, including the number of new codes, deletions, revisions, and tabular instruction changes announced by CMS.

2. Areas with significant code changes

   Describes broad diagnosis chapters and clinical categories where a large share of the new codes are concentrated, including neurologic, eye, and musculoskeletal topics.

3. Parkinson’s disease code additions

   Highlights the introduction of a small group of new diagnosis codes related to Parkinson’s disease and parkinsonism within the neurologic code family.

4. External causes of morbidity additions

   Covers the concentration of new external cause codes in the injury chapter and notes the presence of newly added W-code entries.