![]() ![]() ![]() Normal BUN levels can vary depending on factors such as age, gender, and overall health. Healthcare providers often order other tests, such as creatinine levels or a urinalysis, to get a more complete picture of kidney health. It’s important to note that the BUN test is just one part of a comprehensive assessment of kidney function. By measuring the BUN levels, healthcare providers can help make a diagnosis. Diagnosing certain medical conditions: Elevated BUN levels can be an indication of certain medical conditions such as kidney disease, heart failure, or gastrointestinal bleeding.Evaluating liver function: The BUN test can also provide information about liver function since the liver produces urea as part of the metabolic process.Assessing dehydration: Dehydration can cause an increase in BUN levels since the kidneys may conserve water and concentrate urine, leading to higher urea nitrogen levels in the blood.Monitoring kidney function: People with chronic kidney disease or other kidney disorders may have regular BUN tests to monitor their kidney function and see how well their treatment is working.There are several reasons why someone may need to have a BUN test. By measuring the BUN levels, healthcare providers can determine if the kidneys are functioning properly. ![]() The kidneys remove waste and excess water from the body, and they also help regulate electrolyte levels. The BUN test is ordered when a healthcare provider wants to evaluate how well your kidneys are working. It measures the amount of urea nitrogen, a waste product produced by the liver during protein metabolism, in the blood. Why do I need a BUN testĪ BUN (blood urea nitrogen) test is a commonly used blood test that helps to assess kidney function and diagnose certain medical conditions. They can help determine if further tests, including a BUN test, are necessary. Pp 946-948.If you have concerns about your kidney function or are experiencing symptoms such as frequent urination, changes in urine color or volume, swelling, or fatigue, it is important to talk to your healthcare provider. Mosby's Diagnostic & Laboratory Test Reference 12th Edition: Mosby, Inc., Saint Louis, MO. Basic Neurochemistry: Molecular, Cellular and Medical Aspects. In: Siegel GJ, Agranoff BW, Albers RW, et al., editors.
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