Preliminary Analyses of Changes in Coding and Case Mix Under the Inpatient Rehabilitation Facility Prospective Payment System
Grace M. Carter, Susan M. Paddock
Abstract
Grace M. Carter, Susan M. Paddock
Abstract
Congress has mandated use of a prospective payment system to pay for Medicare patient stays at inpatient rehabilitation facilities and that changes in payment amounts should accurately reflect changes in patient case mix-the true cost of treating patients-and not be influenced by changes in coding practices. This report analyzes case mix during 2002 and compares it with case mix under the old system in 1999.
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Congress has mandated use of a prospective payment system to pay for Medicare patient stays at inpatient rehabilitation facilities and that changes in payment amounts should accurately reflect changes in patient case mix-the true cost of treating patients-and not be influenced by changes in coding practices. This report analyzes case mix during 2002 and compares it with case mix under the old system in 1999.
Key concepts: Prospective payment system, Case mix index, Payment, Rehabilitation, Payment system, Coding (social sciences), Business, Payment by Results