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CIHI sets the national standard for morbidity data reporting in Canada and maintains, distributes and supports the application of ICD-10-CA (the Canadian modification of ICD-10). CCI is the national standard for classifying health care procedures. Statistics Canada supports the mortality application of ICD-10.

ICD-10-CA (International Statistical Classification of Diseases and Related Health Problems, 10th Revision, Canada) was developed by the World Health Organization (WHO) and enhanced by CIHI to meet Canadian morbidity data needs. ICD-10-CA classifies diseases, injuries and causes of death, as well as external causes of injury and poisoning. It also includes conditions and situations that are not diseases but represent risk factors to health, such as occupational and environmental factors, lifestyle and psychosocial circumstances.

CCI  (Canadian Classification of Health Interventions) was developed by CIHI to accompany ICD-10-CA. It was designed to be service-provider and service-setting neutral and can be used comprehensively throughout Canada’s health systems. CCI classifies a broad range of interventions including therapeutic and diagnostic interventions and other health care interventions, such as assistance with activities of daily living, environmental assessments and counselling.

Other WHO classifications

ICD-11: The WHO is currently developing the 11th revision of the International Classification of Diseases. It is anticipated that ICD-11 will be released by the WHO in June 2018. See Canada’s involvement. 

ICF: The International Classification of Functioning, Disability and Health, developed by the WHO, is a classification of health and health-related domains that describe body functions and structures, activities and participation, and environmental factors. 

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Version 2018 ICD-10-CA and CCI

Access information about the 2018 version, including download instructions and frequently asked questions.

Classification Resources

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Title Description Data Holdings
Opioid Overdose Coding Direction

This bulletin provides coding and abstracting direction to ensure accurate and quality data collection strictly related to opioid overdose.

Tips for Coders: Diagnosis Typing for the Delivery Episode of Care

Application of diagnosis types for the delivery episode of care.

Classifications and Terminologies Newsletter, December 2018

Get news on Classifications and Terminologies activities, upcoming education courses, coding questions, topical data quality initiatives and more! 

Canadian Coding Standards for ICD-10-CA and CCI

This manual supplements the classification rules inherent in the ICD-10-CA and the Canadian Classification of Health Interventions (CCI) by providing additional information that could not be embedded into the classifications.

Category/Rubric Tables: ICD-10-CA and CCI

This document contains tables with all categories, chapter headings, block headings, rubrics and sections of codes.

Code Title Tables (for Use With ICD-10-CA/CCI)

This document contains diagnosis and intervention tables, the valid codes, and their short and long descriptions.

Validation Tables (for Use With ICD-10-CA/CCI)

This document contains valid diagnosis and intervention codes by fiscal year and stipulates mandatory minimum edits (validation edits).

ICD-10-CA and CCI Evolution Tables

This guide assists with understanding macro changes within the classifications. The tables assist with data retrieval from one version of the classification to the next.