It would have been good to get a copy of all your blood test results...you can still ask for a copy and maybe pick it up so that you have it for reference and research.
It's probably related to the Cholesterol test, but which one exactly I don't know. Maybe it's the fatty acids...lipid or phospholipid composition? Depends on what tests the doc took and how high which particular reading was.
It could be related to the aza intake, but further tests would have to be done for sure.
When do you see her again?
I found this site with good information on TN, for those who would be interested in the info and it may be helpful to you as well regarding tests, etc. I sure hope you don't have it...but I can only imagine the pain you would be going through if that's where it's leading..
http://facial-neuralgia.org/conditions/tn.html
quincy