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  • The Utility of Patient Chief Complaint and ICD 9 Classifiers for the Influenza Sub-Syndrome

    Content Type: Abstract

    In order to detect influenza outbreaks, the New York State Department of Health emergency department (ED) syndromic surveillance system uses patients’ chief complaint (CC) to assign visits to respiratory and fever syndromes… read more
    … of flu. Our own experience was that although flu may be a com- mon presentation in the ED during the flu season, it is … be improved, but much of the misclassification was due to lack of information in the CC and ICD9. Even after …