That is slightly high for a two hour test but you should talk to your doctor about doing some more tests to clear up your diagnosis. By the way, if it's diabetes you will need to curtail the beer. It won't work with your meds and it goofs up your numbers. Might want to think about that.
"People are like stained glass windows: They sparkle and shine when the sun's out, but when the darkness sets in, their true beauty is revealed only if there is light within."
- Elizabeth Kubler-Ross