Creatinine is a waste product. It is produced by the breakdown of
levels than the average person. Creatinine is filtered from the blood
by the kidneys and removed from the body in the urine. It is a good
indicator of kidney function and is used in the diagnosis of kidney
disease.
Sodium is vital for sending electrical signals between cells and
in them. The most common is sodium chloride, found in table salt.The
body loses sodium in sweat and urine. A sodium blood test will
measure your sodium level, too little or too much can cause
problems.
Urea is a waste product produced by the breakdown of proteins by
kidneys and removed from the body in the urine. Measuring the urea
levels in the blood can therefore show how well both the liver and
the kidneys are functioning. Even if one of your kidneys is severely
damaged but the other is functioning well, the urea level may still be
in the normal range.
Uric acid is a waste product. It is produced by the breakdown of chemicals known as purines. Purines occur naturally in the body but are also found in certain foods. Uric acid is removed from the body in urine. If the body has high levels of uric acid, it may be deposited as