thyroid messing with blood sugar ..?

Context: I’ve had TT but don’t regularly take my medicine because I’m eighteen and just super bad at it. (I know that’s bad). I also am a college student and busy so…. yeah.

I recently passed out and the fire dept or some paramedics came and they tested my blood sugar and the only thing they asked was are you diabetic and is your blood sugar always this high.

I said no not diabetic but I had graves’ disease and then explained that I had the surgery in oct and then my mom finally showed up and they left. it’s been sorta bugging me since because i feel like i should get my blood sugar tested just to be on the safe side but my mom keeps telling me it was only high bc i passed out

confused.