Know Your Blood Parameter: ALP

1. Parameter Name 

   Alkaline Phosphatase (ALP)

   
   

2. Test Type 

   Blood

   
   

3. Normal Range 

   Adults: 44 – 147 IU/L (Higher in children and pregnant women due to bone growth and placental activity)

   
   

4. High Levels Indicate 

   Liver or bone disorders. Elevated in bile duct blockage, liver disease, bone growth or disease (e.g., Paget’s disease), and pregnancy.

   
   

5. Low Levels Indicate 

   Rare but may suggest malnutrition, zinc deficiency, hypothyroidism, or genetic disorders.

   
   

6. Why It's Tested 

   To evaluate liver and bone health, particularly bile duct function.

   
   

7. Associated Symptoms (if abnormal)

    Jaundice, abdominal pain, fatigue (liver causes); bone pain or fractures (bone causes).

   
   

8. What To Do If Abnormal

   Correlate with GGT to determine liver vs. bone origin. Imaging or additional tests may be needed.

   
   

9. Common Conditions Related 

   Bile duct obstruction, hepatitis, bone diseases, pregnancy

   
   

10. Nutrition or Lifestyle Connection 

    Ensure adequate zinc and vitamin D; maintain a balanced diet; avoid heavy alcohol use.

    
    

11. References (APA Format) 

    MedlinePlus. (2023). ALP test. 

    Mayo Clinic. (2022). Liver function tests. Pagana, K. D., & Pagana, T. J. (2021). Mosby’s diagnostic and laboratory test reference.