The overall objective of this study is to develop and validate a health insurance claims-based algorithm to identify COPD exacerbation events (AECOPD) based on ICD-9-CM diagnosis codes, Current Procedural Terminology (CPT) codes, Healthcare Common Procedure Coding System (HCPCS) procedure codes, Nation Drug Codes (NDC), Medicare Severity- Diagnosis-Related Group (MS_DRG) codes and acute outpatient care data.

Contact Meagan Fair at 508-595-2204 for more information.