Classification at CIHI helps health care professionals maintain, understand and apply clinical data standards within our health care system.
At CIHI, we lead the development of a number of classifications to collect, analyze and enhance the consistency and accuracy of information on health care in Canada. We also represent Canada to international agencies working to enhance classification and terminology standards.
We welcome your feedback and questions
Classification systems provide a systematic way to arrange elements in a subject (for example, health interventions) into groups or categories, so that data can be easily tabulated, aggregated and stored for statistical analysis.
The ICD-10-CA and CCI classifications and their subsets provide the clinical diagnostic and intervention data within most of CIHI’s data holdings.
We provide the Canadian Coding Standards for ICD-10-CA and CCI to promote data quality and consistency in the Discharge Abstract Database (DAD) and the National Ambulatory Care Reporting System (NACRS).
Our public submission process gives users of the classifications, and of the health data they provide, an opportunity to provide input into the maintenance and enhancement of these classifications. The Public Submission Guidelines provide an in-depth explanation of the process and list the required criteria for completing the Submission Request Form.