CIHI collects comparable, pan-Canadian data on Canada’s health systems. As part of this effort, we set the national standard for morbidity data reporting in Canada and maintain, distribute and support the application of ICD-10-CA (the Canadian modiﬁcation of ICD-10). We developed the Canadian Classiﬁcation of Health Interventions (CCI), which is the national standard for classifying health care procedures. Further, we work closely with Statistics Canada, which supports the mortality application of ICD-10.
CIHI, in collaboration with our colleagues at Statistics Canada, is designated as a Collaborating Centre for the World Health Organization Family of International Classifications (WHO-FIC). As a Collaborating Centre, CIHI
- Contributes to work on the development, dissemination, maintenance and use of WHO health classifications, including the International Classification of Diseases (ICD)
- Brings a strategic Canadian perspective to international discussions about the development and deployment of health classifications in support of health information, statistics and evidence
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, and 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 is the 11th revision of the International Classiﬁcation of Diseases. Developed by WHO, it is the global standard for diagnostic health information. Learn about Canada’s involvement.
ICF: The International Classiﬁcation of Functioning, Disability and Health, developed by WHO, is a classiﬁcation of health and health-related domains that describe body functions and structures, activities and participation, and environmental factors.
Get the latest news and updates about our coding resources and products.
- Coding direction: Acute renal failure with diabetes mellitus
- Webinar: Introduction to ICD-11 for mortality and morbidity statistics
- Webinar: Using the ICD-11 coding tool
- Mapping COVID-19 Codes: ICD-10-CA to WHO’s Base ICD-10 (PDF)
- ICD-10-CA Coding Direction for Monkeypox Virus
- Classifications and Terminologies Newsletter, June 2022
- Canadian Coding Standards for Version 2022 ICD-10-CA and CCI
- ICD-10-CA/CCI v2022 (PDF)
- COVID-19: Locating the ICD-10-CA/CCI Code — Job Aid (PDF)
- Canadian Coding Standards for Version 2022 ICD-10-CA and CCI, Addendum: Pandemics and Epidemics (COVID-19)
- Version 2022 ICD-10-CA/CCI classifications, Canadian Coding Standards and related products
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Version 2022 ICD-10-CA and CCI
Find out which codes are new and which are disabled for the v2022 ICD-10-CA/CCI classifications, plus all the software requirements.
Discover how we’re participating in WHO’s 11th revision of the International Classiﬁcation of Diseases.
The National Ambulatory Care Reporting System (NACRS) contains data for all hospital-based and community-based ambulatory care. The Canadian Emergency Department Diagnosis Shortlist (CED-DxS) is a list of codes and descriptions for emergency department coding.