This is a standard in quality evaluations, and is the approved uniform way to evaluate, measure and report impairment. The material in the fifth edition is scientifically and consensus based, and is prepared by society experts. All body systems are covered with significant improvements in major chapters including cardiology, respiratory, muscular-skeletal, and skin. Also covers new conditions including HIV and latex allergy. Mandated or recommended in over 40 states of the US, and in Canada and Australia.