Kidney Failure tests
Kidney Failure

Tests could include:

  • A blood urea nitrogen (BUN) test checks kidney function by measuring how much urea nitrogen is in your blood.
  • Your kidneys are two bean-shaped organs responsible for filtering blood and waste. One method to determine just how well your kidneys are filtering is by measuring the waste product urea, using the blood urea nitrogen (BUN) test. This fast, simple...
  • Fractional excretion of sodium (FENa) measures the amount of sodium leaving your body relative to the amount of salt filtered through your kidneys and reabsorbed into your body. It is used to determine how well your kidneys are working. FENa is no...
  • Osmolality measures the concentration of all particles in a fluid. For example, a thick, sugary syrup has significantly higher osmolality than a cup of water with just a pinch of sugar. The urine osmolality test measures the amount of several comp...
  • A urine sodium test is used to test whether you are properly hydrated. It can also evaluate your kidney function. There are two types of sodium urine test. A random test looks at sodium in a single urine sample. A 24-hour test looks at urine sodiu...
  • Your kidneys are the body’s main filtration system, removing waste products from your blood and releasing them via your urine. The small filters inside your kidneys are known as glomeruli. If your kidneys are not working properly, your glome...
  • A urinalysis is a laboratory test done to detect problems with your body that can appear in your urine. Many illnesses and disorders affect how your body removes waste and toxins. The system that takes care of that is broadly called the excretory ...
  • In some cases, your doctor may decide that he or she needs a sample of your tissue or your cells to help diagnose an illness or identify a cancer. This removal of tissue or cells is called a biopsy. While a biopsy may sound scary, it's important t...
  • A renal biopsy is a procedure used to extract kidney tissue for laboratory analysis. The word "renal" describes the kidneys. A renal biopsy is also called a kidney biopsy. The test helps your physician to identify the type of kidney disease you ha...
  • Your red blood cells transport oxygen and carbon dioxide - blood gases - throughout the body. The oxygen and carbon dioxide levels of your blood and the pH balance of your blood can indicate the presence of certain medical conditions, such as card...
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