There are many different blood tests. Some tests focus on your blood cells and platelets. Some evaluate substances in your blood such as electrolytes, proteins and hormones. Others measure certain minerals in your blood. Find out about blood tests, including why they’re done, how to prepare, what happens at the test, and when you’ll get your results. Let’s take a closer look at some common blood tests, including why a doctor may recommend them, how to prepare, what they diagnose, and what the results might mean. A blood test is a laboratory analysis performed on a blood sample that is usually extracted from a vein in the arm using a hypodermic needle, or via fingerprick. Find your local Los Angeles, CA Labcorp location for Laboratory Testing, Drug Testing, and Routine Labwork Most blood testing companies charge $500 or more for a single test per biomarker, providing only a one-time snapshot that doesn’t capture your long-term health trends or reflect your true baseline. Learn what common blood tests like CBC and Chem 7 reveal about your health and how they assist in diagnosing conditions like diabetes and heart disease. Blood tests are very common. They help doctors check for certain diseases and conditions. They also help check the function of your organs and show how well treatments are working. The complete blood count (CBC) is one of the most common blood tests. It is often done as part of a routine checkup. Our comprehensive test menu and assay development lab services can support your clinical trials in countries around the world and are tailored to your program and requirements. Schedule your Quest Diagnostics appointment online for convenient access to lab services and test results.