SNF PPS RUG-IV Call (June 23, 2010) By Debra A. McCurdy on 7 June 2010 Print:Email this postLike this postShare this post on LinkedIn CMS is hosting a national provider conference call on the Skilled Nursing Facility (SNF) Prospective Payment System (PPS) Resource Utilization Group-Version 4 (RUG-IV) on June 23, 2010. Registration is required to participate in the call.