Know Your Blood Parameter: Serum Creatinine

1. Parameter Name 

   Serum Creatinine

   
   

2. Test Type 

   Blood

   
   

3. Normal Range 

   • Men: 0.74 – 1.35 mg/dL 

   • Women: 0.59 – 1.04 mg/dL

   
   

4. High Levels Indicate 

   Impaired kidney function, dehydration, muscle injury, or medications.

   
   

5. Low Levels Indicate 

   Low muscle mass, malnutrition, pregnancy.

   
   

6. Why It's Tested 

   Core marker to assess kidney filtration ability.

   
   

7. Associated Symptoms (if abnormal) 

   Swelling, fatigue, confusion, decreased urine output (in advanced stages).

   
   

8. What To Do If Abnormal 

   Repeat test, calculate eGFR, consider imaging and full kidney panel.

   
   

9. Common Conditions Related 

   CKD, AKI, muscle disorders

   
   

10. Nutrition or Lifestyle Connection 

    Stay hydrated, manage blood pressure and diabetes, reduce salt/protein as needed.

    
    

11. References (APA Format) 

    • NIH. (2023). Creatinine test. 

    • MedlinePlus. (2023). Serum creatinine. 

    • Mayo Clinic. (2022). Kidney tests overview.