The purpose of screening is early diagnosis and treatment. Screening tests are usually administered to people without current symptoms, but who may be at high risk for certain diseases or conditions.
According to the American Diabetes Association, about 1 in every 400-500 children and teens have type 1 diabetes.
Screening is usually only done in people who have symptoms, which may include:
Screening will also be done if you are at high risk for type 1 diabetes, such as:
If you have symptoms of type 1 diabetes or risk factors, report them to your doctor so that you can be tested.
Your doctor may do a blood test to check your blood sugar level. A measurement of 200 milligrams per deciliter (mg/dl) [11.1 mmol/L] or higher indicates that you may have diabetes. Further testing will be done to confirm the diagnosis.
The HbA1c test is a good indicator of your average blood sugar levels over the previous 2-4 months. If your HBA1c level is 6.5% or higher, this indicates a diagnosis of diabetes.
People with type 1 diabetes produce autoantibodies that attack and destroy the islet cells that make insulin. Researchers have found that these autoantibodies appear in the blood long before the development of diabetes symptoms. The immune system seems to slowly attack the pancreas. One way that doctors can screen for type 1 diabetes is to measure autoantibodies. However, this test is not routinely done.
Development of islet cell autoantibodies and type 1 diabetes. Ann Intern Med. 2004;140(11):I64.
Diabetes mellitus type 1. EBSCO DynaMed website. Available at: EBSCO DynaMed website. Available at: http://www.ebscohost.com/dynamed. Updated July 15, 2010. Accessed August 4, 2010.
Last reviewed September 2015 by Kim A. Carmichael, MD
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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