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Diagnosing Diabetes

Table 2: Oral Glucose Tolerance Test
 
Two-Hour Plasma Glucose Result (mg/dL)
Diagnosis
139 and below
Normal
140 to 199
Pre-diabetes
(impaired glucose tolerance)
200 and above
*Confirmed by repeating the test on a different day
  

Making a Diabetes Diagnosis Using the Random Plasma Glucose Test

A random blood glucose level of 200 mg/dL or more, plus the presence of the following diabetes symptoms, can mean that you have diabetes:
 
  • Increased urination
  • Increased thirst
  • Unexplained weight loss.
     
Other symptoms of diabetes include:
 
  • Fatigue
  • Blurred vision
  • Increased hunger
  • Sores that do not heal.
     
Your healthcare provider will check your blood glucose level on another day using the FPG or the OGTT to confirm the diagnosis.
 
Diabetes Tips for Seniors

Diabetes Information

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