International Classification of Diseases

The International Classification of Diseases (ICD) is an evolving system for classification of injuries and disease for the purposes of insurance and documentation of medical statistics.


ICD-10 is the most recent ICD system. Originally scheduled for transition from ICD-9 in 2013, it took effect in 2015.1)

  • Oct 7, 2015 - The switch from ICD-9 to ICD-10: When and why2)

ICD-10 Updates

  • COVID-19 Update: “In response to the national emergency that was declared concerning the COVID-19 outbreak, the Centers for Disease Control and Prevention’s (CDC) National Center for Health Statistics (NCHS) is implementing 6 new diagnosis codes into the International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM), effective January 1, 2021.”3)
December, 2013 | Donna J. Carwright | Advanced Wound Care (Journal) | ICD-9-CM to ICD-10-CM Codes: What? Why? How? | doi: 10.1089/wound.2013.0478

To find pages or info within the wiki, use the search bar in the top right-hand corner, or visit the Sitemap.

Volunteers: explore our project list.