I had blood work drawn on April 18th when I saw my new neuro. He said we have to wait for those results to come back before scheduling my MRI, then for the MRI results before scheduling the neuropsychological exam. I got the impression that one of the tests is to see if I am allergic to the contrast. I've called twice to check on my blood test results, but they haven't called me back yet. It's been nearly a week since my last call I think. Should I call again?