Sharp Rise In Medicare Enrollees Being Held In Hospitals For Observation Raises Concerns About Causes And Consequences [Rise In Observation Services]

in a hospital for further evaluation and short-term treatment. These hospital observation services, often a kind of halfway point between emergency department treatment and full inpatient admission, have become a hotly debated policy issue and subject of lawsuits. Using Medicare enrollment and claims data nationwide, we documented a rising trend in the prevalence and duration of hospital observation services in the fee-for-service Medicare population during 2007