"Crystal Moore, MD, PhD, FCAP, anatomical and clinical pathologist, Chesapeake, VA.National Heart Lung and Blood Institute: "What Are Blood Tests? "Nemours Foundation: "Blood Test: Comprehensive Metabolic Panel (CMP). NOTE: There are some special tests that can only be drawn at the main campus. If you had a snack, a cup of coffee, or even a full breakfast, tell the technician when you have your blood drawn. glucose, lipid panel, triglyceride) require fasting. Because Not fasting for a blood test will yield inaccurate results and the ideal fasting time for blood tests is up to 12 hours before going for a blood test. VA Pathology Reports (Surgical Pathology, Cytology and Electron Microscopy) are available 36 hours after they have been completed. Fasting before certain blood tests is important to help make sure that your test results are accurate. "American Academy for Clinical Chemistry: "Basic Metabolic Panel," "Comprehensive Metabolic Panel," "GGT," "Glucose Tests," "Iron Tests," "Lipid Profile," "Renal Function Panel," "Vitamin B12 & Folate. "British National Health Service: "Can I Eat and Drink Before Having a Blood Test? Carbonated beverages, flavored or otherwise, shouldn’t be consumed during a fast, and neither should any type of tea.Just like adults, children may need blood tests that require them to fast beforehand. It's the morning of your bloodwork and your doctor said to fast before the test. Some of these tests will require you to fast beforehand. The test helps diagnose diabetes. Your doctor will advise you how to prepare for each test.Fasting is usually safe if you’re pregnant, provided you’re in good health and aren’t having a high-risk pregnancy.
In addition, you But you can drink water. Most tests don't require fasting or other special preparations. Depending on the type of test, some laboratory results may not be available right away.
Trace amounts of alcohol can remain in your bloodstream for several days. "Providence Laboratory Services (Oregon): "Fasting Instructions. Test results you’ve entered yourself: You can add and view results from non-VA providers and labs. Hemoglobin A1C Test - Fast and easy way to track your glucose levels.