Description
Overview of Blood Urea Nitrogen (BUN) Test
At AIMS Diagnostic Center, the Blood Urea Nitrogen (BUN) Test is a essential clinical biochemistry blood test used to evaluate renal health. Urea nitrogen is a waste product formed in the liver when your body breaks down proteins. Healthy kidneys filter urea out of the blood and excrete it through urine; elevated BUN levels often serve as an early warning sign of reduced kidney performance or dehydration.
Key Diagnostic Uses
- Kidney Function Screening: Detects acute kidney injury, chronic renal disease, or impaired kidney filtration early.
- Dehydration & Fluid Balance: Helps distinguish between true kidney damage and dehydration or altered blood flow.
- Treatment Monitoring: Tracks how well patients respond to dialysis or medications for kidney disease.
- High Protein Intake & Metabolic Check: Evaluates metabolic changes related to high-protein diets or gastrointestinal bleeding.
When Should You Get a BUN Test?
Healthcare professionals recommend booking a Blood Urea Nitrogen test if you experience:
- Swelling in feet, ankles, legs, or face (edema).
- Changes in urination frequency, painful urination, or foamy urine.
- Unexplained fatigue, difficulty concentrating, or poor appetite.
- High blood pressure or diabetes, which are major risk factors for kidney disease.
- Routine metabolic panel or pre-surgical renal evaluation.
Test Guidelines & Preparation
- Fasting Requirement: 8 to 10 hours of fasting is recommended for optimal accuracy (water is allowed).
- Sample Type: Venous Blood Sample (Serum).
- Turnaround Time: Same-day digital reports available online & via WhatsApp.
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