An impairment rating guide is available from the American Medical Association's website. Using the search feature, a user can quickly locate a product and add it to an online shopping cart, according to the association's website. Alternatively, a user can order the guide by fax or mail.
As of 2015, the sixth edition is the latest guide from AMA for the evaluation of permanent impairment, notes the association's website. The guide emphasizes the fundamental skills on impairment that physicians should evaluate and communicate. Also available from the website are previous editions, such as the third, fourth and fifth guides to the evaluation of impairment.