Document ID: chunk:federal_register_of_legislation:F2023L00203:clause:1_114
Version: federal_register_of_legislation:F2023L00203
Segment Type: clause
Provision Reference: sch 1 cl 114
Character Range: 79016–79647

114     The maximum impairment score from Figure 2-A: Calculating asthma impairment score is 11. One additional point is given, yielding a score of 12, if asthma cannot be controlled adequately with maximal treatment. The score from Figure 2-A is converted to a WPI rating using Table 2.2: WPI derived from asthma impairment score.
Figure 2-A: Calculating asthma impairment score
See notes to Figure 2-A for further information.

Score   FEV1, % P               FEV1, % change in FEV1   PD20 or µmol        % of days lowest FEV1*
        after bronchodilator    with bronchodilator                           is ≤0.85 highest FEV1