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Clinical Epidemiology Commons

Open Access. Powered by Scholars. Published by Universities.®

2021

Grand Valley State University

Series

Articles 1 - 1 of 1

Full-Text Articles in Clinical Epidemiology

Interrupted Time Series Analysis To Evaluate The Performance Of Drug Overdose Morbidity Indicators Shows Discontinuities Across The Icd-9-Cm To Icd-10-Cm Transition, Hannah Yang, Emilia Pasalic, Peter Rock, James W. Davis, Sarah Nechuta, Ying Zhang Jan 2021

Interrupted Time Series Analysis To Evaluate The Performance Of Drug Overdose Morbidity Indicators Shows Discontinuities Across The Icd-9-Cm To Icd-10-Cm Transition, Hannah Yang, Emilia Pasalic, Peter Rock, James W. Davis, Sarah Nechuta, Ying Zhang

Peer Reviewed Articles

Introduction: On 1 October 2015, the USA transitioned from the International Classification of Diseases, 9th Revision, Clinical Modification (ICD-9-CM) to the International Classification of Diseases, 10th Revision (ICD-10-CM). Considering the major changes to drug overdose coding, we examined how using different approaches to define all-drug overdose and opioid overdose morbidity indicators in ICD-9-CM impacts longitudinal analyses that span the transition, using emergency department (ED) and hospitalisation data from six states’ hospital discharge data systems.

Methods: We calculated monthly all-drug and opioid overdose ED visit rates and hospitalisation rates (per 100 000 population) by state, starting in January 2010. We applied …