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You should be able to drink coffee before a CBC (Complete Blood count) test, unless your doctor ordered additional blood tests and tells you to not drink after midnight (NPO=nothing by mouth).

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15y ago

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Can you drink black coffee before blood work?

Yes, you can drink black coffee before blood work as long as it does not contain cream or sugar. However, it's best to check with your healthcare provider or the lab where you'll have the blood work done to see if there are any specific restrictions for your particular test.


Can you drink water and decaf coffee before blood work?

Yes, you can drink water before blood work. Some healthcare providers may allow decaf coffee before blood work, but it's best to check with your healthcare provider for specific instructions, as some tests may require fasting.


Why can't you drink coffee before LDL Cholesterol and triglyceride tests?

I work in a lab and we always tell our patients that they can drink black coffee with no sugar and no cream. So yes you may have plain, black coffee. The cream and sugar from the coffee would falsely elevate your cholesterol.


Can you drink black coffee before a blood test is done?

Yes, you can drink black coffee before a blood test. However, it's best to check with your healthcare provider if it is okay to consume any beverages before the test, as certain tests may require fasting for accurate results.


Can you drink coffee before a fasting blood test?

It is best to avoid drinking coffee before a fasting blood test as it can affect the results, especially tests related to glucose levels. Coffee can increase blood sugar levels, potentially impacting the accuracy of the test. It is recommended to stick to water only during the fasting period before a blood test.