At a Glance
Why Get Tested?
When to Get Tested?
When you have diabetes and your health practitioner wants to determine if you are producing enough of your own insulin or if it is time to supplement oral medication with insulin injections or an insulin pump; when your health practitioner suspects that you have insulin resistance; when you have documented hypoglycemia
A blood sample drawn from a vein in your arm and sometimes a 24-hour urine sample
Test Preparation Needed?
Fasting for 8 to 10 hours before blood testing is usually required.