Absolute Neutrophil Count
- Sample Type
- Standard
- Fasting
- No
- Unit
- x10^9/L
The Absolute Neutrophil Count (ANC) is a critical component of the White Blood Cell (WBC) differential. Neutrophils are the 'first responders' of the innate immune system. The ANC measures the total number of these cells in a microliter of blood. Clinically, it is used to assess a patient's risk of infection (especially during chemotherapy) and to monitor bone marrow function. A low ANC (neutropenia) significantly increases susceptibility to life-threatening bacterial and fungal infections, while a high count (neutrophilia) typically indicates acute physiological stress, bacterial infection, or inflammation.
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Enter your lab result to see where you stand compared to the standard reference range.
Why Context Matters
ANC results can be confounded by 'Benign Ethnic Neutropenia' (common in individuals of African, Middle Eastern, or West Indian descent), which is not pathological. Additionally, medications like corticosteroids can cause a false 'demargination' neutrophilia, and strenuous exercise or intense emotional stress can acutely elevate counts.
Lab ranges are statistical averages, not biological laws. "Normal" for a 20-year-old male isn't normal for a 60-year-old female.
Clinical References
Source-of-truth databases and clinical guidelines for Absolute Neutrophil Count:
Official Sources
- Absolute Neutrophil Count (ANC)Medscape Reference
Research & Guidelines
Related Indicators
Medically Reviewed by Dr. Binoy Babu, MBBS
Board Certified Doctor • 10+ Years Clinical Experience
Dr. Babu is a practicing physician dedicated to empowering patients with clear, actionable medical information. He founded 2opi to bridge the gap between complex lab reports and patient understanding, ensuring everyone has access to a reliable second opinion.
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