Abstract:The AMA Guides to the Evaluation of Permanent Impairment, (AMA Guides), Fifth Edition, is the most widely used basis for determining impairment and is used in state workers’ compensation systems, federal systems, automobile casualty cases, and personal injury cases. The AMA Guides is used in most state workers’ compensation jurisdictions: 25 states use the fifth edition; 10 use the fourth edition, 1 state uses a hybrid of the fourth and fifth editions, and 2 states use the third edition, revised; 6 states use … Show more
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