It may also be used to diagnose the disease. It's used to monitor diabetes and diabetes treatment. Tests can also show if your treatment is working.Ī blood glucose test is an example of a monitoring test. If you've already been diagnosed with a disease, you may need lab tests to see if your condition is getting better, worse, or staying the same. So, your provider may order a colonoscopy to find out for sure whether you have cancer. If blood is found, it could be a sign of cancer. For example, one type of screening test for colon cancer looks for blood in your stool (poop). These screening tests look for signs that you may have a health problem so that you can have more testing to find out for sure. Suggest whether you need more testing to check for a condition or disease. The results can help you understand your risk for heart disease. For example, a cholesterol test measures the amount of cholesterol in a sample of your blood. This alerts you to take steps to lower your risk. Tell you if you have a high risk for getting a specific disease.Different types of screening tests have different uses. Screening tests are often part of a routine checkup. They help find problems early, when they may be easier to treat. Screening tests check for health problems when you don't have any signs or symptoms. Screen for a disease or health condition.If you're sick with a bad sore throat and other symptoms, this test can show you whether you're infected with the bacteria that causes strep throat. Sometimes more than one test is needed to confirm a diagnosis.Ī strep A test is an example of a diagnostic test. Tests to diagnose health problems are done when you have signs or symptoms of a certain disease or condition. Lab tests are used in different ways, including to help:ĭiagnose or rule out a specific disease or condition. In most cases, combining that information leads to a more accurate diagnosis than the results from any one lab test. To get a full picture of your health, your provider will use your test results along with information from your physical exam, health history, family health history, and sometimes imaging tests, such as x-rays. Even though you may get your test results in your electronic health record (EHR), it's still important to talk with your provider to find out what your results really mean for you. But they don't provide a complete picture of your health. Lab tests are an important part of your health care. The results help your provider decide whether you need more tests and which ones will be most useful for diagnosing or ruling out certain conditions. Test results that aren't normal give your health care provider clues about the type of health problems you may have. Other lab tests provide more general information about your health and possible problems. For example, a pregnancy test can show whether or not a person is pregnant. Some lab tests can clearly show whether you do or don't have a specific health condition. The sample is sent to a lab where health care professionals test it to see if it contains certain substances and, if so, how much. A laboratory (lab) test checks a sample of your blood, urine (pee), or other body fluid or tissue to learn about your health.
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