Medicare Skilled Nursing Facility Reimbursement and Upcoding

Document Type

Article

Publication Date

7-2014

Publication Title

Health Economics

DOI

10.1002/hec.2959

Abstract

Post-acute care provided by skilled nursing facilities (SNFs) is reimbursed by Medicare under a prospective payment system using resource utilization groups (RUGs) that adjust payment intensity on the basis of predefined ranges of weekly therapy minutes provided and the functionality of the patient. Individual RUGs account for differences in the intensity of care provided, but there exists significant regional variation in the payments SNFs receive from Medicare due to the use of geographic adjustment factors. This paper is the first to use this geographic variation in the generosity of Medicare reimbursement to empirically test if SNFs respond to payment differences between RUG categories. The results are highly suggestive that SNFs upcode patients by providing additional therapy minutes to increase revenue, whereas we find no evidence of upcoding related to patient functionality scores. Simulating how different payment differentials affect RUG selection, we predict that reducing the financial incentive to upcode could result in significant savings to Medicare.

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