Find a Doctor
Browse UPMC doctors and medical professionals to find the care that's right for you. Customize your search by specialty, zip code, last name, and more.
Visit the UPMC Find a Doctor website.
Have you ever wondered what happens to all those tubes of blood when you get blood tests?
One tube of blood can provide a great deal of information about a person — 70 to 80 percent of all clinical diagnoses are based, in part, on the results of laboratory tests on blood, urine, or other body fluids.
If your doctor thinks that you may have a disease or other type of condition, he or she will seek objective evidence so that a firm diagnosis is possible.
For instance, he or she may suspect diabetes based on a physical exam, symptoms, and so forth, but cannot make a diagnosis without a confirmation of abnormal blood sugar (glucose) levels.
Doctors use lab test results in the context of other information about your health to arrive at a complete picture of your diagnosis.
One of the first steps in diagnosis is testing, and most initial testing happens in the pathology lab.
After your blood is drawn or urine is collected, the fluids are sent to our doctors for testing and analysis. Every day, we perform thousands of sophisticated tests to measure levels of cholesterol, blood sugar (glucose), hemoglobin, hormones, and other substances in the body.
These lab tests can:
If you ’re a member of UPMC Health Plan, you can get many of your blood test results by signing into MyUPMC — a secure, interactive tool that lets you manage your health care results online.
Learn how you can help us help others by supporting our pathology research.