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Results of the BUN test are measured in milligrams per deciliter (mg/dL) in the United States and in millimoles per liter (mmol/L) internationally. In general, around 6 to 24 mg/dL (2.1 to 8.5 mmol/L) is considered normal. But normal ranges may vary, depending on the reference range used by the lab and your age.
Learn about the blood urea nitrogen (BUN) test to assess kidney function and what possible results could mean.
Creatinine clearance is reported as milliliters of creatinine per minute per body surface area (mL/min/BSA). The typical range for men, 19 to 75 years old, is 77 to 160 mL/min/BSA. The typical range, by age, for creatinine clearance in women is as follows: 18 to 29 years: 78 to 161 mL/min/BSA.
What the results may indicate. Results in the following areas above or below the typical ranges on a complete blood count might point to a problem. Red blood cell count, hemoglobin and hematocrit. The results of these three are related because they each measure a feature of red blood cells.
There are three main lab values that are commonly evaluated in relation to liver health: aspartate aminotransferase (AST), alanine transaminase (ALT) and alkaline phosphatase (ALP). AST and ALT are markers of liver cell injury.
Liver function tests can help determine how well your liver is doing its job. Find out what to expect and what results are considered standard.
Diagnosis. Your health care provider will talk to you about your medical history and your symptoms. You might have some of the following tests: Blood test. This test can measure blood levels of sodium, potassium, cortisol and adrenocorticotropic hormone (ACTH).
However, abnormal results don't always indicate that you have a medical condition needing treatment. Higher than normal BUN levels can also be caused by dehydration, burns, certain medicines, a high protein diet, or other factors, including your age. BUN levels normally increase as you get older.
Nephrotic syndrome diagnosis & treatment. Swelling around your feet and ankles is a common sign of this condition that occurs when your kidneys pass too much protein in your urine.
A diagnosis of preeclampsia happens if you have high blood pressure after 20 weeks of pregnancy and at least one of the following findings: Protein in your urine (proteinuria), indicating an impaired kidney. Other signs of kidney problems. A low blood platelet count. Elevated liver enzymes showing an impaired liver.