Understanding Lab Tests for Neutrophilia
Written by Private MD Labs Medical Writing Team • Last Updated: September 8, 2025
Neutrophilia is a condition characterized by an elevated number of neutrophils, a type of white blood cell that plays a crucial role in fighting infections. This condition is diagnosed through blood testing and often indicates an underlying health issue that requires medical attention.
Recommended Test
Complete Blood Count / CBC (includes Differential and Platelets)
This comprehensive blood test measures the absolute neutrophil count and can directly diagnose neutrophilia when levels are elevated above normal ranges. The differential count provides detailed information about different types of white blood cells, helping identify whether high neutrophil levels indicate infection, inflammation, trauma, or stress response.
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What is Neutrophilia?
Neutrophils are the most abundant type of white blood cell in the body and serve as the first line of defense against bacterial infections. When neutrophil levels become elevated above normal ranges, it typically signals that the immune system is responding to infection, inflammation, physical trauma, or significant stress.
Diagnosing Neutrophilia
Neutrophilia is definitively diagnosed through blood testing that measures the absolute neutrophil count. A Complete Blood Count with differential is the primary diagnostic tool that provides detailed information about all blood cell types, including neutrophils, allowing healthcare providers to identify elevated levels and determine appropriate treatment.
Understanding Your Results
Normal neutrophil counts typically range from 1,500 to 8,000 cells per microliter of blood. Levels above this range may indicate neutrophilia. Your healthcare provider will interpret your results in the context of your symptoms and medical history to determine if further evaluation or treatment is needed.
Important Considerations
The information here is for educational purposes only and is not a substitute for professional medical advice. Always consult with a healthcare provider for diagnosis and treatment.
