ICD-10-CM addendum provides details for new, current diagnosis codes

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Note:  The following article synopsis was NOT provided by HCPro. It was created by Find-A-Code/innoviHealth.

Article Overview

This article reviews the 2017 ICD-10-CM addendum released by CMS and explains the broad scope of diagnosis-code changes taking effect October 1, along with updates to supporting tabular reference materials. It is relevant to coders, auditors, compliance staff, and revenue cycle teams who need to track annual ICD-10-CM revisions, code additions and deletions, chapter-level changes, and instruction updates that affect reporting workflow.

Why This Topic Matters

Annual ICD-10-CM updates can affect diagnosis reporting, documentation review, and code-set maintenance across many specialties. Understanding the scope of the addendum helps coding professionals prepare for new, deleted, and revised codes and for changes in tabular guidance.

Article Sections

  1. Overview of the 2017 ICD-10-CM update

    Introduces the CMS addendum and the size and timing of the upcoming diagnosis-code changes, along with the supporting reference files that were updated.

  2. Note hundreds of new codes and changes

    Summarizes the major categories of code-set changes discussed in the article and notes several affected ICD-10-CM chapters and diagnosis areas.

  3. Tabular notes get an overhaul

    Describes the broader revisions to tabular instructions and notes that accompany the code updates, including changes to note structure and inclusion guidance.

What You Will Learn

  • How the 2017 ICD-10-CM addendum fits into the annual update cycle
  • Which broad diagnosis-code areas were affected by the update
  • What types of tabular instruction changes accompanied the code revisions
  • How CMS supported the update with revised ICD-10-CM reference files

Who Should Read This

  • Medical coders
  • Coding auditors
  • Compliance teams
  • Revenue cycle professionals
  • Clinical documentation improvement staff

Codes Discussed


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