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 ...

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 ...

Kidney function tests are simple blood and urine tests that can identify problems with your kidneys. These tests can estimate your glomerular filtration rate (GFR), which indicates how quickly your ...