Table of contents

Original research

• Identification of work-related injury emergency department visits using International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) codes (9 April, 2021)

  Ashley M Bush, Terry L Bunn, Madison Liford
• Validation of ICD-10-CM codes for injuries complicating pregnancy, childbirth and the puerperium: a medical record review (9 April, 2021)

  Anna Hansen, Dana Quesinberry, Peter Akpunonu, Julia Martin, Svetla Slavova
• Multisite medical record review of emergency department visits for unspecified injury of head following the ICD-10-CM coding transition (9 April, 2021)

  Alexis Peterson, Barbara A Gabella, Jewell Johnson, Beth Hume, Ann Liu, Julia F Costich, Jeanne Hathaway, Svetla Slavova, Renee Johnson, Matt Breiding
• Exploring the implications of the new ICD-10-CM classification system for injury surveillance: analysis of dually coded data from two medical centres (9 April, 2021)

  Eduard A Poltavskiy, Susan H Fenton, Oluseun Atolagbe, Banafsheh Sadeghi, Heejung Bang, Patrick S Romano
• Descriptive exploration of overdose codes in hospital and emergency department discharge data to inform development of drug overdose morbidity surveillance indicator definitions in ICD-10-CM (9 April, 2021)

  Leigh M Tyndall Snow, Katelyn E Hall, Cody Custis, Allison L Rosenthal, Emilia Pasalic, Sarah Nechuta, James W Davis, Bretta Jane Jacquemin, Sherani R Jagroep, Peter Rock, Elyse Contreras, Barbara A Gabella, Katherine A James
• 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 (9 April, 2021)

  Hannah Yang, Emilia Pasalic, Peter Rock, James W Davis, Sarah Nechuta, Ying Zhang
• Multisite medical record review of emergency department visits for traumatic brain injury (9 April, 2021)

  Barbara A Gabella, Jeanne E Hathaway, Beth Hume, Jewell Johnson, Julia F Costich, Svetla Slavova, Ann Y Liu