Medically reviewed by Chika Anekwe, MD A potassium blood test is used to measure the amount of potassium in your blood. It is ...

This group of tests is called a comprehensive metabolic panel (CMP). Here’s what to ... your fluid and electrolyte balance, and your body’s response to treatments. Here’s what can be ...

Blood tests are essential for diagnosing and monitoring various health conditions, from infections to chronic illnesses like ...