Know Your Blood Parameter: Urea

1. Parameter Name 

   Urea

   
   

2. Test Type 

   Blood

   
   

3. Normal Range 

   10 – 40 mg/dL

   
   

4. High Levels Indicate 

   Kidney dysfunction, dehydration, heart failure, excessive protein breakdown.

   
   

5. Low Levels Indicate 

   Liver failure, malnutrition, overhydration.

   
   

6. Why It's Tested 

   To assess nitrogen waste excretion by the kidneys.

   
   

7. Associated Symptoms (if abnormal) 

   Nausea, confusion, fatigue, swelling (with high levels)

   
   

8. What To Do If Abnormal 

   Evaluate with creatinine and BUN, review hydration and protein status.

   
   

9. Common Conditions Related 

   CKD, liver disease, high catabolic states

   
   

10. Nutrition or Lifestyle Connection 

    Monitor protein intake, hydration; treat underlying liver/kidney issues.

    
    

11. References (APA Format)

    • MedlinePlus. (2023). Urea test.

    • Mayo Clinic. (2022). Renal profile.

    • LabCorp. (2023). Kidney function testing.