Health Affairs January 1, 2025
Abstract
Risk adjustment modifies payments to health insurers based on enrollee characteristics that are predictive of higher or lower medical spending. Risk-adjustment policy is a key ingredient for the success of regulated individual insurance markets in Medicare and beyond. Researchers have identified shortcomings of Medicare’s current risk-adjustment system, illustrated the limits of coarse fixes, and proposed new strategies that improve the data and calculations used to generate beneficiary risk scores. This Perspective reviews...