Do you have to fast for an A1C blood test?
No, A1C blood test can be given even without fasting.
Last updated on 12 Dec 2024
Yes, it is possible.
Fasting blood sugar (in the morning, before eating) should be Less than 100 mg/dL. 1-2 hours after a meal should be Less than 140 mg/dL. And 2-3 hours after eating should be Less than 100 mg/dL
Both are accurate. A1C gives the control for 3 months whereas fasting glucose will give the results for that particular day.
The best time would be in the morning or evening.
It is possible to have high A1C levels without diabetes in rare cases. Iron, folate etc can also increase HBA1C levels.
FBS, FBG, Fasting Blood Sugar
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