All FI must meet the requirements outlined in the medicare intermediary manual. Fiscal intermediary services organizations (FISOs) are regulated by the Office of Insurance Regulation.
Fat free mass consists of water (72%) protein (21%) and bone minerals (7%) typically an adult has only 3-4kg bodyweight from bone. Fat mass varies considerably between individuals, in terms of absolute amount. Fat mass consists of 20% water and 80% adipose tissue. Healthy ranges of body fat range from between 14-20% for men, a percentage of greater than 25% is considered to be unhealthy and puts the individual at an increased risk of obesity related illness. Healthy ranges for women range between 17-24% where a level of 30% body fat is considered unhealthy and at a level of increased risk.
This decreases with age and is lowest with geriatrics. Lean people have a greater percentage than overweight people, since fat is virtually water-free. Males (60% body water) have more body water that females (55%) do, since females have a greater amount of subcutaneous fat. 1. Regulation of fluid intake (gain)