Blood Test Levels for Diagnosis of DM and Prediabetes

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The following shows blood test levels of a normal person, someone with Prediabetes and  someone with Diabetes Mellitus.

HbA1c is a blood test done to assess the level of glucose over the last 3 months.
BS is blood sugar levels


HbA1c = 5.6 or lower

Fasting BS of 99 or lower

2 Hour pp BS of 139 or lower


HbA1c = 5.7 to 6.4999

Fasting BS of 100 to 125

2 hour pp BS of 140 to 199

Diabetes Mellitus

HbA1c = 6.5 or higher

Fasting BS of 126 or higher

Any pp BS of 200 or higher


What can we do to reverse Prediabetes?

  • Weight Loss – losing 5% to 7% can reverse prediabetes in many cases
  • Exercise – 30 minutes of excercise 4 to 5 days a week
  • Cutting Fat and Calorie Intake
  • Metformin – espeically in those patients with HbA1c’s of 6.0 or higher

Metaformin enhances glucose uptake and utilization, decreaeses hepatic glucose production and decreases intestinal absorption of glucose.

The endpoint of these efforts is to prevent or delay the onset of Type II Diabetes Mellitus.

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