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.
Source: The Winter Haven, FL weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency).