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Basic skills for living with diabetes: Diagnosing diabetes

Diabetes is not diagnosed by the symptoms it causes. You must have a test to measure blood glucose* to find out if you have diabetes.

Diagnosis Tests

Tests

Fasting

Casual

Diabetes

126 mg/dL or higher on two occasions

200 mg/dL or higher (with symptoms)

“Pre Diabetes”

100-125 mg/dL (IFG**: when your blood glucose is too high in the morning)

140-199 mg/dL (IGT**: when your blood glucose is too high during the day)

Normal less than

less than 100 mg/dL

less than 140 mg/dL

** IFG stands for impaired fasting glucose. IGT stands for impaired glucose tolerance.

*Note: We used the word glucose instead of the word sugar so it does not get it confused with the sugar in food.


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Source: Allina Patient Education, Basic Skills for Living with Diabetes, fourth edition, ISBN 1-931876-16-9

First published: 12/01/2006
Last updated: 12/01/2006

Reviewed by: Allina Patient Education experts

 

 

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