How Do Doctors Test for Diabetes?
Published: Jan 12, 2024
Testing for diabetes involves several key blood tests that help determine how your body is managing sugar. Let's explore these tests and what they mean.
Contents
Fasting Plasma Glucose (FPG)
FPG is a simple test that measures blood sugar after an overnight fast. A reading of 126 mg/dL or higher indicates diabetes. It's a common test because it's easy to perform and provides clear results.
Oral Glucose Tolerance Test (OGTT)
The OGTT measures blood sugar before and two hours after drinking a sugary drink. It helps identify diabetes and prediabetes but is less commonly used due to its inconvenience.
Glycated Hemoglobin (A1C)
A1C reflects average blood sugar levels over three months. A result of 6.5% or higher suggests diabetes, making it a valuable tool for diagnosis and management.
Frequently Asked Questions
It checks blood sugar levels after fasting.
It involves fasting, drinking a sugary drink, and measuring blood sugar.
It shows average blood sugar levels over three months.
No, it's less common due to its inconvenience.
Key Takeaways
Understanding these tests can help you know what to expect if you suspect diabetes.
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References
American Diabetes Association. Standards of medical care in diabetes--2014. Diabetes Care 2014; 37 Suppl 1:S14.
American Diabetes Association. 2. Classification and Diagnosis of Diabetes: Standards of Medical Care in Diabetes-2018. Diabetes Care 2018; 41:S13.
Always discuss health information with your healthcare provider.