This is called a "fasting blood test." Usually, you are allowed to take your medicines with water the morning of the test. NorthShore continues to actively fight COVID-19 throughout our community. The type of chemistry screen you have done depends on what information your doctor is looking for. Download a printer-friendly version of the Screening and Prevention Guide to bring with you the next time you visit your doctor. Do not eat high-fat foods the night before the test. The health professional drawing blood will: The blood sample is taken from a vein in your arm. Normal values vary from lab to lab and depend on which tests were included in your chemistry screen. All Rights Reserved. Do not drink alcohol before you have this test. Partnering with your doctor, you can determine together which screenings are appropriate given your age, health status, and risk factors. Be sure to tell your doctor about all the nonprescription and prescription medicines you take. To help you understand the importance of this test, fill out the medical test information form .
Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated. Attach a tube to the needle to fill it with blood. NorthShore University HealthSystem. We are located in the northern Chicago suburbs. View the Screening and Prevention Guide ». For more information on the regulation of genetic tests, please see the Genetic Information Nondiscrimination Act (GINA). This test can confirm past exposure and will help us better understand spread throughout our community. You may feel nothing at all from the needle, or you may feel a quick sting or pinch. Your personal medical history and your family history can provide the necessary information to determine: 1) whether there is a genetic test available for the disease in your family and 2) whether genetic testing is an option for you to consider.