If you haven't yet been
diagnosed with prediabetes, you may want to talk to your doctor about
testing. The American Diabetes Association recommends
testing adults for
prediabetes, which may lead to
type 2 diabetes, if you:1
Are age 45 or older.
Are younger than 45 and overweight, and you have
high blood pressure,
high cholesterol, a family history of type 2 diabetes,
or other risk factors.
If the tests are normal, the American Diabetes Association recommends repeat testing at least every 3 years.
Total health care costs for diabetes in the U.S.: $218 billion.
Estimated number of people in the U.S. who have prediabetes: 79 million.
Total health care costs to cover prediabetes: $25 billion.
Reduced risk of developing diabetes over three years if you follow a healthy food and exercise program: 58%.
Length of time diabetes diagnosis may be delayed through lifestyle or medication intervention: up to 10 years.
Reduced risk of developing diabetes over three years if...
Hemoglobin A1c. This test estimates your blood sugar over the past 2 to 3 months.
Oral glucose tolerance test (OGTT). For an OGTT, your blood sugar is measured after fasting
and then again 2 hours after you drink a special glucose
liquid. This test is not done as often as the fasting
glucose test, which is more convenient.
You have prediabetes if:
The results of your A1c test are 5.7% to 6.4%. For all of these tests, lower numbers are best.
The results of your OGTT are 140 to 199 mg/dL (2 hours after the beginning of the
Phrases such as "a touch of diabetes," "borderline
diabetes," and "your sugar is a little high" are unclear. If you hear these
phrases, ask your doctor if your blood sugar level
is in the prediabetes or diabetes range.
Tests for other health problems
If you are diagnosed with prediabetes, your doctor
may also want to: