The Urea Serum Test, also known as the Blood Urea Nitrogen (BUN) Test, measures the concentration of urea nitrogen in the blood. Urea is a waste product formed in the liver when protein is broken down. The kidneys filter this waste, eliminating it through urine. High BUN levels can indicate impaired kidney function, as waste begins to build up in the blood. This test is essential for diagnosing kidney disease, monitoring kidney health, and evaluating treatment effectiveness. Regular BUN testing supports early detection of kidney issues, especially in individuals with risk factors or symptoms like fatigue, high blood pressure, and frequent urination.

Abnormal BUN levels can suggest various health issues. Elevated BUN may indicate kidney dysfunction, dehydration, or high-protein intake, while low BUN levels could reflect malnutrition or liver issues. This test is especially useful for individuals with symptoms of kidney issues, those undergoing kidney treatment, or patients preparing for surgery. Monitoring BUN levels helps ensure kidney health and prevent complications related to impaired kidney function. Consulting a healthcare provider is recommended for interpreting results and determining any next steps.

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