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There is no fasting needed for a CBC. If other blood tests are needed, you might need to fast for twelve hours before the test.

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Q: How many hour fasting before cbc?
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Do you have to fast for a CBC?

NO, you do not have to fast. I was just ordered to have this done, so I double checked. My OB-GYN says no fasting.


Do you need to fast before a cbc lab test?

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

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Can you eat or drink before a cbc blood test?

You can eat sushi before a blood test. You may want to discuss with your doctor about your blood test to see if this is a good idea, though.


Can you drink coffee before a cbc?

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