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Target A1C and fasting and postprandial glucose levels

The following target glucose levels are endorsed by the American Association of Clinical Endocrinologists, the American Diabetes Association, and the Joslin Diabetes Center at Harvard Medical School.

Measurement:

American Association
of Clinical Endocrinologists

American Diabetes
Association
Joslin
Diabetes Center
A1C ≤6.5% <7.0% <7.0%
Fasting plasma glucose <110mg/dL 70-130mg/dL 70-130mg/dL
2h postprandial glucose <140mg/dL <180mg/dL <180mg/dL

Though the ADA recommends that most patients with diabetes maintain an A1C below 7.0%, they recognize that select groups of patients may benefit from more or less stringent glycemic control.

For example, pregnant patients and patients with short duration of diabetes and long life expectancy who are at low risk of hypoglycemia may benefit from more stringent glycemic control targeting an even lower A1C.

On the other hand, those with a history of severe hypoglycemia, hypoglycemic unawareness, short life expectancy, multiple comorbid conditions, or difficult-to-control diabetes may benefit from less stringent glycemic control targeting a higher A1C.
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