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

ABSTRACT:

Objective

To evaluate the validity of COVID-19 International Classification of Diseases, 10th Revision (ICD-10) codes and their combinations.

Design

Retrospective cohort study.

Setting

Acute care hospitals and emergency departments (EDs) in Alberta, Canada.

Participants

Patients who were admitted to hospital or presented to an ED in Alberta, as captured by local administrative databases between 1 March 2020 and 28 February 2021, who had a positive COVID-19 test and/or a COVID-19-related ICD-10 code.

Main outcome measures

The sensitivity, positive predictive value (PPV) and 95% CIs for ICD-10 codes were computed. Stratified analysis on age group, sex, symptomatic status, mechanical ventilation, hospital type, patient intensive care unit (ICU) admission, d

SUBMITTER: Wu G 

PROVIDER: S-EPMC8787827 | biostudies-literature | 2022 Jan

REPOSITORIES: biostudies-literature