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Type 2 Diabetes - Exams and Tests

Diagnostic tests

If your doctor thinks that you may have diabetes, he or she will order blood tests to measure how much sugar is in your blood. The tests used are blood glucose tests and hemoglobin A1c.

To make a diagnosis of type 2 diabetes, your doctor will use your blood test results and the American Diabetes Association (ADA) criteria. He or she will also ask you questions about your medical history and do a physical exam for type 2 diabetes.

If it is hard to tell if you have type 2 or type 1 diabetes, your doctor may do a C-peptide test or an autoantibodies test. (Autoantibodies are produced when the body's immune system does not work right.) For example, many people with type 1 diabetes produce the autoantibody zinc transporter 8 (ZnT8Ab). People with type 2 diabetes or gestational diabetes do not produce ZnT8Ab. These tests may not be able to confirm the type of diabetes you have. Getting a definite diagnosis may take months or years. In either case, your blood sugar levels will need to be controlled right away.

Tests to monitor your health

You'll need to see your doctor every 3 to 6 months. At each visit you'll:

See a list of tests to monitor diabetes to help you remember what to do and when.

Review your progress regularly

Regular visits and checkups with your doctor are also a good time to:

These visits are also a good time to talk with your doctor about how you're feeling. It's normal to feel frustrated or overwhelmed with all there is to do. If you're having trouble coping, your doctor can help.

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