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Raynaud’s phenomenon occurs on exposure to temperatures lowerthan 1 0°C(50°F), and it is only partially controlled by medication.
Class 4 Impairment of Upper Extremity, 51—79%
The patient experiences intermittent claudication on mild upper-extremity usage; or
The patient has marked edema that cannot be controlled by elastic supports; or
There is vascular damage evidenced by signs such as an amputation at or above a wrist; or amputation of two or more digits of both extremities with evidence of persistent vascular disease; or persistent widespread or deep ulceration involving one extremity; or
Raynaud’s phenomenon occurs on exposure to temperatures lower than 1 5°C(59°F), and it is only partially controlled by medication.
Class 5 Impairment of Upper Extremity, 80—95%The patient experiences severe and constant pain at rest; or
There is vascular damage evidenced by signs such as amputation at or above the wrists of both extremities; or amputation of all digits of both extremities with evidence of persistent vascular disease; or persistent, widespread, or deep ulceration involving both extremities; or
Raynaud’s phenomenon occurs on exposure to temperatures lower than 20°C (68°F) and is poorly controlled by medication.
VASCULAR DISORDERS OF THE LOWER EXTREMITY
When amputation due to peripheral vascular disease is involved, the impairment due to amputation should be evaluated and combined with the appropriate value using the Combined Values Chart
Impairment of Lower Extremity Due to Peripheral Vascular Disease
Class 1 Impairment of Lower Extremity, 0—5% The patient experiences neither claudication nor pain at rest; and The patient experiences only transient edema; and
On physical examination, not more than the following findings are present: loss of pulses; minimal loss of subcutaneous tissue; calcification of arteries as detected by radiographic examination; asymptomatic dilation of arteries or of veins, not requiring surgery and not resulting in curtailment of activity.
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