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Surveillance for nationally notifiable infectious conditions using ICD-9-CM diagnosis codes in the VA ESSENCE biosurveillance system
Content Type: Abstract
The Electronic Surveillance System for the Early Notification of Community-based Epidemics (ESSENCE) obtains electronic data from 153 Veterans Affairs (VA) Medical Centers plus outpatient clinics in all 50 states, American Samoa, Guam,… read more… analysis, we examined positive predictive value of ICD-9-CM diagnosis codes in VA ESSENCE to determine the utility of … in VA. Objective To determine the utility of ICD-9-CM diagnosis codes in the VA ESSENCE for detection and … nationally notifiable infectious conditions using ICD-9-CM diagnosis codes in the VA ESSENCE biosurveillance system …