A1C / glucose
Detects: Diabetes and prediabetes — a major cardiovascular risk driver
What it is
Blood tests that measure your blood sugar now (glucose) and your average over ~3 months (A1C).
Where & when it’s offered
At any lab or clinic; A1C does not require fasting.
Why it’s offered
Diabetes dramatically raises heart and vascular risk. Catching prediabetes early opens the door to reversing course.
When it’s routine
The USPSTF supports screening adults 35–70 who are overweight or obese, repeating about every 3 years if normal. Your provider may screen earlier or more often based on risk.
A1C / glucose — questions & answers
What does A1C / glucose detect?
Diabetes and prediabetes — a major cardiovascular risk driver. Blood tests that measure your blood sugar now (glucose) and your average over ~3 months (A1C).
Is the A1C / glucose test noninvasive?
Yes — blood draw. At any lab or clinic; A1C does not require fasting.
When should you get A1C / glucose screening?
The USPSTF supports screening adults 35–70 who are overweight or obese, repeating about every 3 years if normal. Your provider may screen earlier or more often based on risk.
Does Medicare cover A1C / glucose?
Medicare covers diabetes screening tests (typically up to twice a year) for people at risk. Confirm eligibility with your provider.
Want a reminder when this is due?
Join Kardia Guard free — we’ll tell you when A1C / glucose fits your age and guidelines, and help you find a facility near you.
