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Know Your Blood Parameter : Monocytes

Updated: May 27

1. Parameter Name 

Monocytes


2. Test Type 

Blood


3. Normal Range

  • Absolute Count: 200 – 800 cells/µL

  • Percentage: 2% – 8% of total WBCs


4. High Levels Indicate 

Monocytosis — may be due to chronic infections (e.g., tuberculosis), inflammatory conditions (e.g., IBD), recovery from acute infections, or leukemia (e.g., monocytic leukemia).


5. Low Levels Indicate 

Monocytopenia — can occur with bone marrow suppression, aplastic anemia, chemotherapy, or use of corticosteroids.


6. Why It's Tested 

To help identify infections, inflammatory diseases, autoimmune conditions, or bone marrow disorders.


7. Associated Symptoms (if abnormal)

  • High: Fatigue, fever, inflammation, persistent infection

  • Low: Frequent infections, poor wound healing


8. What To Do If Abnormal 

Repeat test if temporarily altered due to acute infection. For persistent abnormalities, further testing (like bone marrow exam or imaging) may be needed.


9. Common Conditions Related 

Tuberculosis, chronic inflammatory diseases, leukemia, lupus, sarcoidosis.


10. Nutrition or Lifestyle Connection 

Support with anti-inflammatory foods (omega-3s, antioxidants), regular exercise, and managing chronic stress to regulate immune function.


11. References (APA Format)


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