This article discusses the implications of diagnostic errors for comparative effectiveness research (CER). It notes the potential role of CER studies for improving diagnosis and treatment decisions and the value of expanding the CER agenda to address misdiagnosis.

This study reviews prior pilot projects and demonstrations for dual eligibles—those receiving both Medicare and Medicaid benefits—and finds support for modest Medicare savings through well-targeted interventions. The study cites a small number of fully integrated, capitated managed...