There are three levels of ROS recognized by the E/M guidelines: 1  Problem Pertinent ROS : Requires review of ONE system related to current problem(s) 2  Extended ROS: Requires review of TWO to NINE systems. 3  Complete ROS: Requires review of at least 10 systems.
jump to content. Winter Haven is a city in Polk County, Florida, United States. The population was 26,487 at the 2000 census. According to the U.S. Census Bureau's 2007 estimates, the city had a population of 32,577, making it the second most populated city in Polk County.
Polk County is located in the State of Florida. The county population was 602,095, as of the 2010 census. Its county seat is Bartow, and its largest city is Lakeland. Polk County is part of the greater Tampa Bay Area. Polk County comprises the Lakeland-Winter Haven Metropolitan Statistical Area. This MSA is the 87th most populous metropolitan statistical area and the 89th most populous primary statistical area of the United States as of July 1, 2012.