Max Rady College of Medicine

Concept: Chronic Obstructive Pulmonary Disease (COPD) - Measuring Prevalence

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Concept Description

Last Updated: 2020-02-27


    This concept describes the methods used to define Chronic Obstructive Pulmonary Disease (COPD) in MCHP research.

Research Definitions and Algorithms

    In the Health Status of Community-Dwelling Older Adults in Manitoba deliverable, by Chateau et al. (2019), they defined Chronic Obstructive Pulmonary Disorder as the percent of individuals with one of the following diagnoses:

    • one or more hospitalizations in one year with a diagnosis of COPD (ICD-9-CM codes 490, 491, 492, 493, 496; ICD-10-CA codes J40-J45), or
    • one or more physician visits in one year with a diagnosis of COPD (ICD-9-CM codes as above).

    For more information, see the section Chronic Obstructive Pulmonary Disease (COPD) Prevalence in this report.

Related terms 


  • Chateau D, Doupe M, Prior H, Soodeen RA, Sarkar J, Dragan R, Stevenson D, Rajotte L. The Health Status of Community-Dwelling Older Adults in Manitoba. Winnipeg, MB: Manitoba Centre for Health Policy, 2019. [Report] [Summary] [Additional Materials] (View)

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Manitoba Centre for Health Policy
Community Health Sciences, Max Rady College of Medicine,
Rady Faculty of Health Sciences,
Room 408-727 McDermot Ave.
University of Manitoba
Winnipeg, MB R3E 3P5 Canada