The patient should remain seated throughout the test. Some tests require special preparation. Avoid any food or drinks, alcohol, smoking, chewing gum, exercising, and some supplements and medications for.

If your physician has. You can see more details on patient preparation for each test here. • do not eat or drink anything (except water) for 8 hours before you go to the laboratory to have your blood drawn. Webprepare for your lab test by finding out if you need to fast before bloodwork, which foods to avoid, and if you can drink water the night before a test. Webif you are asked to fast for your test: Webjul 29, 2024 · what are the rules for fasting for a blood test? • if you are asked to fast for your test:

Webif you are asked to fast for your test: Webjul 29, 2024 · what are the rules for fasting for a blood test? • if you are asked to fast for your test: