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You won't know until you are tested

Karen Miller | 11/24/2014, 6 a.m.

Since diabetes is often silent, it can be found only through testing. There’s more than one test used to diagnose diabetes. Generally, the test is repeated before a diagnosis is confirmed.

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You won't know until you're tested

1


A1C (%)


The A1C test measures your average blood glucose for the past two to three months, and requires no preparation.

NORMAL: Less than 5.7
PREDIABETES: 5.7 to 6.4
DIABETES: 6.5 or greater

2


FASTING BLOOD GLUCOSE (mg/dl)


The fasting blood glucose test checks your blood glucose levels after at least eight hours of fasting – not eating or drinking fluids except water.

NORMAL: Less than 100
PREDIABETES: 100-125
DIABETES: 126 or greater

3


ORAL GLUCOSE TOLERANCE (mg/dl)


The oral glucose tolerance test is a two-hour test that checks how well your body processes glucose.

NORMAL: Less than 140
PREDIABETES: 140-199
DIABETES: 200 or greater

Source: American Diabetes Association

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