Why can’t you eat past a certain time at night if you have to take a blood test the next morning?

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I am supposed to take a blood test in the morning and my doctor told me that I have to do it on an empty stomach, and can’t eat anything after 9pm. I understand how alcohol, for one, could impact blood test results but why food? Asking cause I’m hungry 🙁

In: Biology

6 Answers

Anonymous 0 Comments

This is related to what your doctor is testing for, which in turn is related to what kind of condition or disease you might have. Many common blood tests, such as ABO/Rh typing and antibody or qPCR tests for particular pathogens, include no such restrictions for the patient.

E: I’d guess you’re being tested for some sort of metabolic disorder, but obviously you’re not required to disclose information like that to strangers on the internet.

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