Correction to “Opioid-related emergency department visits and deaths after a harm-reduction intervention: a retrospective observational cohort time series analysis”
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An error occurred in an article published June 20, 2023.1

The Methods section incorrectly described use of the *International Statistical Classification of Diseases and Related Health Problems, 10th Revision* code F12; in fact, the code F11 was used.

This error has been corrected at cmajopen.ca.

## Reference

1.  Yeung MEM, Lee CH, Hartmann R, et al. (2023) Opioid-related emergency department visits and deaths after a harm-reduction intervention: a retrospective observational cohort time series analysis. CMAJ Open 11:E537–45.
    
    [Abstract/FREE Full Text](http://www.cmajopen.ca/lookup/ijlink/YTozOntzOjQ6InBhdGgiO3M6MTQ6Ii9sb29rdXAvaWpsaW5rIjtzOjU6InF1ZXJ5IjthOjQ6e3M6ODoibGlua1R5cGUiO3M6NDoiQUJTVCI7czoxMToiam91cm5hbENvZGUiO3M6NToiY21ham8iO3M6NToicmVzaWQiO3M6OToiMTEvMy9FNTM3IjtzOjQ6ImF0b20iO3M6MTk6Ii9jbWFqby8xMi8xL0UxLmF0b20iO31zOjg6ImZyYWdtZW50IjtzOjA6IiI7fQ==) 

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