The 2014 OIG Work Plan includes the following:

"Billing and Payments. We will identify questionable billing patterns associated with nursing homes and Medicare providers for Part B services provided to nursing home residents during stays not paid under Part A (for example, stays during which benefits are exhausted or the 3-day prior-inpatient-stay requirement is not met). A series of studies will examine several broad categories of services, such as foot care. Context—Congress explicitly directed OIG to monitor Part B billing for abuse during non-Part A stays. (Medicare, Medicaid, and SCHIP Benefits Improvement and Protection Act of 2000 (BIPA), § 313.) (OEI; 06-14-00160; various reviews; expected issue date: FY 2014; work in progress)