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How are diabetes and prediabetes diagnosed?
The following tests are used for diagnosis:
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1. |
A fasting blood glucose test measures blood glucose in a person who has not eaten anything for at least 8 houts |
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2. |
An oral glucose tolerance test (OGTT) measures blood glucose after an 8-hour fast and 2 hours after the person drinks a glucose solution |
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3. |
A random spot glucose test measures a causal blood glucose reading |
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4. |
A HbA1c test measures the past 90-days average blood glucose level |
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