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Type 2 Diagnosis

The National Institutes of Health (NIH) recommends that people age 45 and older consider getting tested for diabetes, and the American Diabetes Association (ADA) suggests a routine test every three years for those over 45, particularly if they are overweight, or for those under 45 if they are overweight and have another diabetes risk factor. Those with additional diabetes risk factors may require more frequent testing.

The following lab values are the ADA practice guidelines for the diagnosis of diabetes:

  • An A1C value of 6.5% or more
  • A random plasma glucose value of 200 mg/dl (11.1 mmol/l) or more (in the presence of diabetes symptoms)
  • A fasting plasma glucose value of 126 mg/dl (7 mmol/l) or more
  • An oral glucose plasma glucose value of 200 mg/dl or higher at 2 hours post-glucose load

The ADA maintains that a definitive diabetes diagnosis requires a second positive test performed on a different day.

Sources
A1C
The A1C test is a three month average of blood sugar levels. It's used to assess treatment and to diagnose diabetes. Find out more.
Random Plasma Glucose
The random plasma glucose test measures plasma, or blood, glucose levels. It is performed with a small blood draw taken at any time of the day (hence the name "random").
Fasting Plasma Glucose
The fasting plasma glucose test is a carbohydrate metabolism test used to diagnose diabetes. Find out more about this test.
Oral Glucose Tolerance
The OGTT involves measuring blood glucose levels two hours after drinking a sugary solution. Learn what the results mean.
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Your Questions Answered

My brother was recently diagnosed .(type2) He is on a very very low carb diet. Aren't there negatives to not eating enough carbs while losing weight

Asked by: valerief Category: Food and Nutrition

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Sources


1 - National Diabetes Information Clearinghouse. Diagnosis of Diabetes. (Accessed 2/12/10).

2 -  Standards of medical care in diabetes--2010. Diabetes Care. 2010 Jan;33 Suppl 1:S11-61. (Accessed 10/23/10). 

Last Modified Date: 09/01/2010
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