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Subjects>Science>General Science

Do you need to fast before having a cbc lab test?

Anonymous

∙ 14y ago

Updated: 9/18/2023

No. It is not necessary to fast for a CBC. Generally tests like Lipid profiles and Glucose testing are ones that will require you to fast.

CBC is a test that deals with your blood cells.

Wiki User

∙ 14y ago

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Q: Do you need to fast before having a cbc lab test?

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Continue Learning about General Science

Do you need to fast before a dengue test?

no

Do you have to fast before a ggt blood test?

need not

Do you need to fast before a potassium blood test?

yes

Will I need to fast (not eat) before my blood type test?

You should check with your Doctors office to see if you should fast before this test. Each test is different and it is better to be safe than sorry.

Do you need to fast before CBC blood test?

No you do not. I am answering as a laboratory technician of 15 years.

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Related Questions

Do you need to fast for BUN and Creatinine lab test?

It is generally recommended that you fast for about 8 hours before having a blood test for BUN and creatinine to ensure accurate results. However, you should follow your healthcare provider's specific instructions for fasting requirements before the test.

Do I need to fast before a Lyme test?

No, you do not.

Do you need to fast before a dengue test?

no

Do you need to fast before an estrogen test?

No, fasting before an estrogen test is not required.

Do you have to fast before a ggt blood test?

need not

Do you need to fast before a glucose test?

Do i have to fastfor a random gluose test

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 need to fast before a potassium blood test?

yes

Do you need to fast before drug screen urine test?

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 have to fast for an iron test?

When having a Total iron-binding capacity (TIBC) or transferrin, than it is necessary to avoid eating or drinking for 8 hours before the blood test. It is not necessary to fast when having a ferritin blood test.

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.

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