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.
The population of the Four Corners CDP was 26,116 at the 2010 census. The Lake, Orange, and Osceola County portions of Four Corners are part of the OrlandoâKissimmeeâSanford, Florida Metropolitan Statistical Area, while the Polk County portion is part of the Lakeland â Winter Haven Metropolitan Statistical Area.