A urine sodium test checks the amount of sodium in a sample of your pee to see whether it’s at a normal level. Having too much or too little sodium can mean there’s an issue with your kidneys or ...

A sodium blood test is a routine test that allows your doctor to see how much sodium is in your blood. It’s also called a serum sodium test. Sodium is an essential mineral to your body. It’s also ...

What Is a Sodium Blood Test? A sodium blood test (also called a serum sodium test) is a way for your health care provider to measure the concentration of sodium in your blood. This test is often part ...