Step One....Get out any large white pages phone book and pick out an a Polysyllabic surname like Grindersnart.
Step Two...use same and pick out monosyllabilic surname like "Smoot"
Step Three now Hyphenate and add the word syndrome...
Tell the Doctor that you have "Grindersnart-Smoot" Syndrome.. He WONT say there is no such thing.. he will scribble furiously and then order tests.