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Comparison of ICD-9-Coded Chief Complaints and Diagnoses for Identifying Gastrointestinal Syndrome Using ESSENCE
Content Type: Abstract
The purpose of this study was to determine if existing chief complaint and ICD-9 codes for detecting gastrointestinal syndrome correctly identify similar patterns of illness when applied to the Electronic Surveillance System for the Early… read more… for the Early Notification of Community-based Epidemics (ESSENCE IV). Submitted by elamb on Mon, 07/30/2018 - 08:40 … …