ICD-10 codes are a valid tool for identification of pneumonia in hospitalized patients aged >= 65 years
SA Skull, RM Andrews, GB Byrnes, DA Campbell, TM Nolan, GV Brown, HA Kelly
EPIDEMIOLOGY AND INFECTION | CAMBRIDGE UNIV PRESS | Published : 2008
This study examines the validity of using ICD-10 codes to identify hospitalized pneumonia cases. Using a case-cohort design, subjects were randomly selected from monthly cohorts of patients aged > or = 65 years discharged from April 2000 to March 2002 from two large tertiary Australian hospitals. Cases had ICD-10-AM codes J10-J18 (pneumonia); the cohort sample was randomly selected from all discharges, frequency matched to cases by month. Codes were validated against three comparators: medical record notation of pneumonia, chest radiograph (CXR) report and both. Notation of pneumonia was determined for 5098/5101 eligible patients, and CXR reports reviewed for 3349/3464 (97%) patients with a ..View full abstract
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Awarded by National Health and Medical Research Council Capacity Building Grant in Population Health
This study was funded by the National Health and Medical Research Council and the Victorian Government Department of Human Services. Technical assistance was provided by research assistants responsible for data collection: Anne-Marie Woods, Carol Roberts, Caroline Watts and Joy Turner, and data-entry persons Thao Nguyen and Jason Zhu. Graham Byrnes is supported by a National Health and Medical Research Council Capacity Building Grant in Population Health (251533).