Fasting Blood Sugar
Normal for a person without diabetes 70–99 mg/dl (3.9–5.5 mmol/L)
Someone with diabetes 80–130 mg/dl (4.4–7.2 mmol/L)
Random Blood Sugar Level
- Normal for a person without diabetes less than 11.1 mmol/l ( 200 mg/dl )
- Someone with diabetes above 11.1 mmol/l (200 mg/dl)
A blood sample for a random plasma glucose test can be taken at any time.
2 hours after meals
- Normal for a person without diabetes Fewer than 140 mg/dl (7.8 mmol/L)
- Someone with diabetes 180 mg/dl (10.0 mmol/L)
HbA1c Level
- Normal for a person without diabetes Fewer than 5.7%
- Someone with diabetes 7.0% or less
The blood test for the HbA1c level is routinely performed in people with type 1 and type 2 diabetes mellitus.