what blood test is done to check for diabetes
HbA1C (A1C or glycosylated hemoglobin test) If diagnosed with type 2 diabetes, your health care provider will regularly run a test called HbA1c (A1C or glycosylated hemoglobin test). An A1C test provides a picture of your average blood sugar control for the past two to three months.f your blood glucose levels are in normal range, testing should be done about every three years. If you have prediabetes, you should be checked for diabetes every one to two years after diagnosis. Tests for Diagnosing Prediabetes and Diabetes.