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You are here : Healthopedia.com > Medical Encyclopedia > Diseases and Conditions > Type 1 Diabetes Mellitus: Diagnosis & Tests
      Category : Health Centers > Diabetes

Type 1 Diabetes Mellitus

Alternate Names : Insulin-Dependent Diabetes Mellitus, IDDM, Type 1 Diabetes Mellitus

Type 1 Diabetes Mellitus | Symptoms & Signs | Diagnosis & Tests | Prevention & Expectations | Treatment & Monitoring | Pictures and Images | Attribution


How is the disease diagnosed?

A medical history and physical exam often lead a doctor to suspect type 1 diabetes. Diabetes is diagnosed on the basis of a high glucose level in the blood.

A blood sample can be measured at a random time or after an 8-hour fast. After an 8-hour fast, the normal blood glucose level is less than 110 mg/dL, or milligrams per deciliter. A fasting blood glucose level of 126 mg/dL or higher on two separate days usually indicates diabetes.

When blood is taken randomly or without fasting first, a blood glucose level of 200 mg/dL or higher on two separate days usually indicates diabetes.

Additional blood tests can help distinguish between type 1 diabetes and other types of diabetes. The level of ketones, for example, can be measured. Ketones are usually elevated only in type 1 diabetes.


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Type 1 Diabetes Mellitus: Symptoms & Signs

 

Type 1 Diabetes Mellitus: Prevention & Expectations

Author: Eileen McLaughlin, RN, BSN
Reviewer: Melinda Murray Ratini, DO
Date Reviewed: 08/15/02









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Page Last Updated: 6th April, 2009