Coding-Driven Changes in Measured Risk in Accountable Care Organizations

Michael E. Chernew, Jessica Carichner, Jeron Impreso, J. Michael McWilliams, Thomas G. McGuire, Sartaj Alam, Bruce E. Landon and Mary Beth Landrum

Mathematica Policy Research Reports from Mathematica Policy Research

Abstract: Claims data, which form the foundation of risk adjustment in payment for health care services, may reflect efforts to capture more—or more severe—clinical conditions rather than true changes in health status.

Keywords: Accountable care organizations; Risk adjustment; Medicare; Consumer Assessment of Healthcare Providers and Systems; Costs and spending; Medicare savings programs; Medicare Advantage; Traditional Medicare; Cost growth; Payment (search for similar items in EconPapers)
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