What do fasting labs test for

However, some tests may take longer to complete. The lab will provide a report to your doctor, and your doctor will use the report to help with next steps in your diagnosis and treatment. Learn more about the lab services we offer at Bon Secours. Sign up to receive regularly scheduled updates from us packed with healthy news, tips, research, recipes, and more — right to your inbox!

When would I need a fasting lab test? If you have one or more of these symptoms, your doctor may order a fasting lab test. If I need a fasting blood test, am I allowed to eat or drink anything?

Why do I have to fast? Home Common health questions Operations, tests and procedures Back to Operations, tests and procedures. Can I eat and drink before having a blood test? Common fasting blood tests Examples of blood tests that may require you to fast include: a fasting blood glucose test used to test for diabetes — you may be asked to fast for 8 to 10 hours before the test an iron blood test used to diagnose conditions such as iron deficiency anaemia — you may be asked to fast for 12 hours before the test For more information about a wider range of blood tests, go to Lab Tests Online.

Requisitos para turnos Ver instructivo. What Is a Fasting Lab? Fasting Defined Fasting means you do not eat or drink for a specified period of time. Duration Your doctor should tell you how long you are required to fast prior to your test. Scheduling Your Test The easiest time to fast is while you are sleeping. Medications If you take any medications, especially medications requiring you to take them with food, consult your doctor about what to do during your fasting period.

Low-density lipoprotein LPD is a type of cholesterol. Health Conditions Discover Plan Connect. Medically reviewed by Deborah Weatherspoon, Ph. How long should you fast before a blood test? Is it OK to drink water before a blood test? What if your child needs to fast before a blood test? What about fasting for a blood test during pregnancy? Read this next. Blood Glucose Test. Medically reviewed by Maria S. Prelipcean, MD. Basic Metabolic Panel.

Medically reviewed by University of Illinois. Diabetes Tests.