What Are Pulmonary Function Tests (PFTs)? Pulmonary function tests (PFTs) are lung tests. They show how well your lungs work. They’re noninvasive, which means that the doctor doesn’t cut you or put ...

Liver function tests are blood tests that can be used to monitor the health of your liver. Ask the doctor what you need to do to prepare. In some cases you may need to avoid food or certain ...

Kidney function tests use blood and urine samples to evaluate kidney function. Urine tests, such as urinalysis and creatinine clearance, can detect undesirable particles like blood, protein, or ...

Liver function tests are blood tests that measure substances that the liver produces. Doctors can use these results to evaluate the health of a person’s liver. The liver serves several essential ...

What Is a Liver Function Test? A liver function test is one of a group of tests that check levels of certain enzymes and other proteins in your blood. Some of the tests look for enzymes that you’d ...

Your kidney function test results are a measure of how well your kidneys are working to filter your blood and remove excess water and waste from the body. For example, the estimated glomerular ...