This is a mineral stored mainly in your bones.Īn electrolyte used to help control fluid in the body.Ĭreatinine is a waste product from muscle wear and tear that everyone has in their blood. The kidneys remove it from the blood, so if kidney function slows down, BUN levels rise. Urea nitrogen is a normal waste product that occurs from the breakdown of protein. This is an important enzyme found in the liver, kidneys, and bones.ĪLT is an important enzyme found mostly in the liver.ĪST is an important enzyme found in the liver, heart, and muscles. Take this one-minute quiz to help determine if you are at risk of developing kidney disease and bring the results to your healthcare provider to help get the conversation started.Īlbumin is an important protein found in the blood. My kidney failed because of glomerulonephritis…not something that generally shows up unless you're having a checkup or some bloodwork.' 'Unless you are doing an annual checkup,' said 46-year kidney transplant recipient George Franklin III, 'getting blood work, or so forth, you don't know what's going on inside your body.