
The blood test will show what your average blood sugars have been like over the past 6-8 weeks. 8.9 is high after fasting and even 11.9 is quite high, I'm insulin dependant diabetic and my sugars run between 4-6.
If you are confirmed as diabetic, it's really not a problem, I've been diabetic now for nearly 40 years, always on insulin, thankfully I've looked after myself, still have all my fingers/toes, don't need glasses etc. It's a change of lifestyle rather than a rock around your neck!
Good luck.
Life is too short to worry about muddy pawprints.....