Cystatin C is a relatively small protein that is filtered from the blood by the kidneys and broken down at a constant rate. A cystatin C test may be used to screen for and monitor kidney dysfunction in special cases.
What is a renal function panel? The renal panel is a blood test that helps assess kidney health. Learn more about the components of a renal panel and how the test is taken and interpreted.
Potassium is an electrolyte, a type of mineral that is essential to your health. Find out about the types of potassium tests and when and how they are used.