Document ID: chunk:federal_register_of_legislation:F2023L00364:reg:70
Version: federal_register_of_legislation:F2023L00364
Segment Type: reg
Provision Reference: reg 70
Character Range: 42434–43163

70     25

Notes

    * X-rays may be normal in any of the above categories.

    * Measurement of FEV1 and Forced Vital Capacity (FVC) should be performed with a Vitalograph® spirometer or equivalent instrument.

    * Three readings should be taken and the largest of these used to calculate impairment.

Figure 2.1  Prediction nomogram—males

Figure 2.2  Prediction nomogram—females

Chapter 3—Endocrine system

Table 3.1  Endocrine system

The effects of diabetes mellitus in other systems (for example, the vascular and visual systems) should be assessed from the appropriate tables and combined with values from the table above using Table 14.1 (Combined values chart).

% WPI  Description of level of impairment