Our expert says:
Yes, it is possible. To test for diabetes, you can ask your doctor for a glucose tolerance test. To confirm Raynaud's Phenomenon, your doctor will have to do a digital artery pressure test, a doppler ultrasound, a full blood count, blood test for urea and electrolytes, thyroid function test, an autoantibody screen and a nail fold vasculature. These tests will also determine if the condition is primary or secondary.
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