A White House budget proposal to save $140 million over 10 years through prepayment review or prior authorization for power wheelchairs came as a surprise to industry as CMS has already scrapped the prepay phase of a recently revived demonstration. The White House power wheelchair proposal, which an industry source tells Inside Health Policy is outdated, is one of 16 HHS policies estimated to save $3.6 billion over 10 years by reducing fraud, waste and abuse in Medicare and Medicaid.