At a Glance
Why Get Tested?
To help monitor your blood glucose (sugar) levels over time if you have diabetes mellitus, especially if it is not possible to monitor your diabetes using the A1c test; to help determine the effectiveness of changes to your diabetic treatment plan that might include changes in diet, exercise or medications, especially if they were made recently
When to Get Tested?
When you are diabetic and your healthcare provider wants to evaluate your average blood glucose level over the last 2-3 weeks
A blood sample drawn from a vein in your arm or sometimes from a fingerstick
Test Preparation Needed?