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All blood tests require fasting, in order to be sure of their accuracy.
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∙ 11y ago
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Do you have to fast before a ggt blood test?
need not
Do you need to fast before testing for Calcium in blood?
No.
Fasting before blood draw?
You only need to fast before blood work if you are having a fasting blood glucose blood test. Not each blood drawing will require you to fast. If you are required to fast, you may still drink water before your blood work.
Do you need to fast before a potassium blood test?
yes
Do you need to fast before an iron blood test?
no because a blood test is about what your blood is normally like and if you fast you wont be your normal self
Do you need to fast before thyroid test?
Yes. For 12 hours before getting your blood drawn.
Do you need to fast for a chickenpox blood test?
You do not need to fast for a chickenpox blood test.
Do you need to fast before CBC blood test?
No you do not. I am answering as a laboratory technician of 15 years.
Do you have to fast before a blood sugar test?
I don't think you have to fast for twelve hours if you are having blood sugar tested. I would say you need to fast for at least six hours to eight hours.
Do you have to fast for the chickenpox blood test?
No, you don't need to fast for the blood test for chickenpox.
DO YOU NEED to fast before blood test for bilirubin level?
not prolong fasting only 3-6 hrs...
Do you have to fast before your magnesium blood test?
If a doctor informs you that you need a magnesium test, you do not need to fast beforehand. A magnesium test will check for kidney problems, muscle problems, and if you are low on calcium.
