Validity of ICD-10 codes for COVID-19 patients with hospital admissions or ED visits in Canada: a retrospective cohort study

• Hude Quan,
• Danielle A Southern,
• Tyler Williamson,
• Erik Youngson,
• Yuan Xu,
• Cathy Eastwood,
• Adam G D'Souza,
• Guosong Wu

Affiliations

Hude Quan

Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada

Danielle A Southern

Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada

Tyler Williamson

Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada

Erik Youngson

Alberta Health Services, Calgary, Alberta, Canada

Yuan Xu

Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada

Cathy Eastwood

Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada

Adam G D'Souza

Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada

Guosong Wu

Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada