Medically reviewed by Chika Anekwe, MD A potassium blood test is used to measure the amount of potassium in your blood. It is part of a panel of blood tests called a basic metabolic panel (BMP) that ...

Dr. Al-Heeti is the brother of CNET video producer Abrar Al-Heeti. While no one loves to get their blood drawn, these tests can reveal much about our health, providing information on everything ...