Answer:
Health care professionals most often use the fasting plasma glucose (FPG) test or the A1C test to diagnose diabetes. In some cases, they may use a random plasma glucose (RPG) test. A1C Test. The A1C test measures your average blood sugar level over the past 2 or 3 months. ...
Fasting Blood Sugar Test. ...
Glucose Tolerance Test. ...
Random Blood Sugar Test. ...
Glucose Screening Test. ...
Glucose Tolerance Test.