New/Revised ICD-10-CM Codes

Summary explanations of the Fiscal Year 2021 (FY 2021) ICD-10-CM changes effective October 1, 2020 are provided below. Addenda changes demonstrating the specific revisions to the code titles or instructional notes are not included in the explanations below. The official ICD-10-CM addenda has been posted on the Centers for Disease Control and Prevention (CDC) National Center for Health Statistics posted at https://www.cdc.gov/nchs/icd/icd10cm.htm.There are 490 new ICD-10-CM codes effective October 1, 2020. In addition, there are 47 revised codes and 58 codes have been deleted. ...

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

Article Overview

This article summarizes the annual ICD-10-CM update cycle for fiscal year 2021 and points readers to the CDC/NCHS addenda source. It is aimed at coding professionals who need a high-level understanding of the scope of the October 1, 2020 diagnosis code changes and the types of revisions included in the update.

Why This Topic Matters

Annual ICD-10-CM updates can affect diagnosis reporting, documentation review, and code-set maintenance across many clinical and billing workflows. A concise summary helps coders, auditors, and compliance teams recognize that the FY 2021 update includes new, revised, and deleted codes.

What You Will Learn

  • The article’s focus and update timeframe for the FY 2021 ICD-10-CM release
  • Where the official ICD-10-CM addenda information is referenced
  • The overall scope of new, revised, and deleted diagnosis code changes in the update cycle
  • The general purpose of the article as a summary of ICD-10-CM changes

Who Should Read This

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

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