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The 2011 Guidelines for the Diagnosis and Care of Diabetes emphasize the importance of appropriate screening methods to assess diabetes risk. Recommended testing includes A1C levels, Fasting Plasma Glucose (FPG), and the 2-hour 75g Oral Glucose Tolerance Test (OGTT). An A1C level of 5.7% to 6.4% signals increased risk, while diabetes is confirmed by an A1C level of 6.5% or higher, FPG exceeding 126 mg/dl, or OGTT results over 200 mg/dl. These guidelines were approved by the Diabetes Initiative of South Carolina.
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Screening for Diagnosis of Diabetes To test for diabetes or to assess risk of future diabetes, either A1C, Fasting Plasma Glucose (FPG), or 2-h 75-g Oral Glucose ToleranceTest (OGTT) are appropriate. An A1C level of 5.7% to 6.4% indicates increased risk for diabetes. The presence of diabetes is indicated by: • A1C level of 6.5 % or higher; • FPG level of > 126 mg/dl; • OGTT level > 200 mg/dl. Reference: American Diabetes Association. Standards of Medical Care in Diabetes- 2011. Diabetes Care. Volume 34, Supplement 1. January 2011 http://care.diabetesjournals.org/content/34/Supplement_1/S11.full
Level of evidence for most significant recommendations: • A = Randomized Clinical Trial • B = Controlled trials, no randomization • C = Observational studies • D = Opinion of expert panel • E = Expert or clinical opinion
Approved by Diabetes Initiative of South Carolina September 2, 2011