How is prediabetes defined?

Updated: Sep 27, 2021
  • Author: Romesh Khardori, MD, PhD, FACP; Chief Editor: George T Griffing, MD  more...
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Prediabetes often precedes overt type 2 diabetes. Prediabetes is defined by a fasting blood glucose level of 100-125 mg/dL or a 2-hour post-oral glucose tolerance test (post-OGTT) glucose level of 140-200 mg/dL. Persons with prediabetes are at increased risk for macrovascular disease, as well as diabetes. [1]

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