you could test yourself at home to see if you have elevations.

They may only occur after eating.
You can have a blood test A1c done to show if over time you have poor
glucose control. (this is often better than just one blood fasting glucose test)

Certainly you should discuss this with your doctor.
Zyprexa is the worst offender for blood sugar issues. The newer agents
Abilify and Seroquel, haven't had the time on the market to show this effect
clearly. However, the blood sugar issues do happen.

Sometimes life style can control blood sugar issues. And also it may be dose
dependent, and if you have a genetic history tending toward diabetes.

Most people over 40 have some degree of insulin resistance, and not all of them go on to develop frank Type II diabetes. There are many other factors
that must be present.

You may not have to change. But then unless you watch for it, elevated glucose can sneak up on you.