Further, BUN tests are often run in tandem with creatinine or renal panels to help identify kidney dysfunction. mmol/L, µmol/L, mg/dL, mg/100mL, mg, mg/L, µg/mL Uric acid measurements are used in the diagnosis and treatment of numerous renal and metabolic disorders, including renal failure, gout, leukemia, psoriasis, starvation or other wasting conditions, and of patients receiving cytotoxic drugs. Additionally, a BUN test may be run to assess the functionality of the kidneys prior to certain surgeries or procedures that require the use of drugs that can damage the kidneys. As such, BUN tests can also be used to track the progress of a kidney disease. An unusually high BUN level may indicate that the kidneys are unable to effectively remove urea from the blood. A blood urea nitrogen (BUN) test measures the amount of nitrogen in our blood that has been created by urea and is typically ordered to assess kidney function. Healthy kidneys should filter out urea and other chemical waste products from the blood through urine. The reference ranges for the BUN levels are as follows 1 : Adult: 10-20 mg/dL or 3.6-7.1 mmol/L (SI units) Elderly: May be slightly raised beyond adult levels. Either high or low potassium levels can cause heart problems. Urea then travels through the liver and into the kidneys via the bloodstream. Blood urea nitrogen to creatinine ratio (BUN:creatinine) A BUN test may be done with a blood creatinine test. Kidney disease is a common cause of a high potassium level. The nitrogen reacts with other elements in our bodies (such as carbon, hydrogen, and oxygen) to form urea. Learn what a uric acid blood test tells you, how it’s done, and what the results mean. ![]() After a protein is deconstructed, the liver produces nitrogen-containing ammonia. High levels or uric acid, one of the body’s waste products, can be a sign of gout or kidney stones. A healthy BUN result should fall into the range 7 – 28 mg/dL, or 2.50 – 10.00 mmol/L.īlood Urea nitrogen is a waste product formed during the process in which our bodies break down proteins.
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