The Urea (Blood) test, also referred to as the blood urea nitrogen (BUN) test, is a vital diagnostic instrument that measures the blood’s urea nitrogen content in order to assess kidney function. Urine is often the result of the kidneys filtering urea from the blood after it has been broken down from the breakdown of proteins in the liver. Increased blood urea levels can be a sign of compromised kidney function, which is important to know in order to diagnose and treat different types of renal diseases.

Because kidney function and cardiovascular health are closely related, the Urea (Blood) test is important when discussing health heart diagnostics (HHD). Fluid and electrolyte imbalances, elevated blood pressure, and the following can result from kidney dysfunction: