国际紧急心理健康和人类复原力杂志

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Accuracy of ICD Codes for Persons with Considerable Emergency Department Use for Mental Health Complaints

Amanda D Vandyk, Ian D Graham, Elizabeth G VanDenKerkhof and Margaret B Harrison

The International Classification of Diseases (ICD) is the standard diagnostic tool for clinical, health management, and research purposes, put forth by the World Health Organization. Currently in its 10th version, ICD-11 is expected to release in 2017. Researchers use ICD codes to identify participants for clinical studies and to track healthcare utilization rates, among a variety of other purposes (e.g. to study access, quality, costs, and effectiveness of care, patient comorbidities, incidence of complications, morbidity, and mortality) (O’Malley et al., 2005). Clearly, code accuracy is paramount and existing priorities include assessing diagnostic congruence of ICD codes and medical records (De Coster et al., 2006). From the emerging evidence, we see that at least two ICD codes are needed to accurately identify individuals with confirmed chronic conditions (Goldberg et al., 2013). Yet, researchers continue to use single ICD codes to identify study participants (Krueger et al., 2011).