When is the HBA1C test done, before or after the meal?
It can be done at anytime before or after meals.
Last updated on 29 Mar 2023
No, they are not the same.
Yes, it is possible.
It is possible to have high A1C levels without diabetes in rare cases. Iron, folate etc can also increase HBA1C levels.
The difference is A1C is the mean average for 3 months of control of blood sugar levels. Whereas fasting blood sugar levels are of the same day.
A1C cannot be lowered overnight
FBS, FBG, Fasting Blood Sugar
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