Criteria: Table 5-4 Criteria for Rating Permanent Impairment due to Pulmnary Dysfunction (88)
Key factor is Objective Test (pulmonary function studies, exercise testing). Grade using History (symptoms) and Physical. Maximum impairment for Class 4 is 65% WPI. Note revisions provided in “Corrections and Clarifications” (AMA Press, August 2008) on page 10 to Objective Test Results for “METs” for Class 1. Reference examples for assistance. If assessing for Asthma, use Table 5-5 (90) and reference “Corrections and Clarifications” on page 10.
