Efficiency of International Classification of Diseases, Ninth Revision, billing code searches to identify emergency department visits for blood or body fluid exposures through a statewide multicenter database.

Infection Control and Hospital Epidemiology : the Official Journal of the Society of Hospital Epidemiologists of America
Lisa M RosenRoland C Merchant

Abstract

Blood and body fluid exposures are frequently evaluated in emergency departments (EDs). However, efficient and effective methods for estimating their incidence are not yet established. Evaluate the efficiency and accuracy of estimating statewide ED visits for blood or body fluid exposures using International Classification of Diseases, Ninth Revision (ICD-9), code searches. Secondary analysis of a database of ED visits for blood or body fluid exposure. EDs of 11 civilian hospitals throughout Rhode Island from January 1, 1995, through June 30, 2001. Patients presenting to the ED for possible blood or body fluid exposure were included, as determined by prespecified ICD-9 codes. Positive predictive values (PPVs) were estimated to determine the ability of 10 ICD-9 codes to distinguish ED visits for blood or body fluid exposure from ED visits that were not for blood or body fluid exposure. Recursive partitioning was used to identify an optimal subset of ICD-9 codes for this purpose. Random-effects logistic regression modeling was used to examine variations in ICD-9 coding practices and styles across hospitals. Cluster analysis was used to assess whether the choice of ICD-9 codes was similar across hospitals. The PPV for the original...Continue Reading

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Citations

Mar 7, 2013·Journal of the American Medical Informatics Association : JAMIA·Reena MahajanUNKNOWN Chronic Hepatitis Cohort Study (CHeCS) investigators*
Jan 5, 2014·Journal of the American Medical Informatics Association : JAMIA·Swapna AbhyankarClement J McDonald

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