Band Neutrophils
Band neutrophils are immature neutrophils with unsegmented nuclei released from bone marrow when demand for infection-fighting cells is high. Their presence in blood is called a left shift and commonly indicates acute bacterial infection, sepsis, or significant inflammation. Extreme elevations can also accompany some leukemias and marrow recovery.
1 providers include this
Complete Blood Count (CBC)
0-5% of WBC
What is Band Neutrophils?
Band neutrophils are immature neutrophils with unsegmented nuclei released from bone marrow when demand for infection-fighting cells is high. Their presence in blood is called a left shift and commonly indicates acute bacterial infection, sepsis, or significant inflammation. Extreme elevations can also accompany some leukemias and marrow recovery.
Why It Matters
Immature neutrophils released from bone marrow during acute infection or inflammation. Elevated levels (called 'left shift') indicate the body is urgently producing immune cells to fight infection.
Which Providers Test Band Neutrophils?
Full Provider Comparison
| Provider | Includes | Annual Cost | Biomarkers |
|---|---|---|---|
 Superpower | — | $199 | 100+ (150 with ratios) |
 WHOOP Advanced Labs | — | $349 | 65 |
 Labcorp OnDemand | — | $398 | 40+ |
| — | $486 | 40+ | |
| — | $449 | 288 | |
| — | $349 | 100+ | |
| — | $829 | 54 | |
 Function Health | — | $365 | 160+ |
| — | $250 | 65 | |
| — | $495 | 80+ | |
| — | $895 | 100+ | |
| — | $1950 | 130+ | |
| — | $375 | 95+ | |
| — | $Varies | 75+ | |
| ✓ | $190 | 100+ | |
| — | $99 | 50 | |
| — | $124 | 60 | |
| — | $349 | 130+ | |
| — | $349 | 80+ | |
| — | $375 | 85 | |
| — | $700 | 128 | |
| — | $99 | 100+ |
Frequently Asked Questions
What is Band Neutrophils?
Band neutrophils are immature neutrophils with unsegmented nuclei released from bone marrow when demand for infection-fighting cells is high. Their presence in blood is called a left shift and commonly indicates acute bacterial infection, sepsis, or significant inflammation. Extreme elevations can also accompany some leukemias and marrow recovery.
What is the optimal range for Band Neutrophils?
The standard reference range for Band Neutrophils is 0-5% of WBC. Optimal ranges may differ based on individual health goals and expert recommendations.
Which blood test providers include Band Neutrophils?
1 out of 22 blood testing providers include Band Neutrophils in their panels. This biomarker has limited availability.
What category does Band Neutrophils fall under?
Band Neutrophils is categorized under Complete Blood Count (CBC). This category includes biomarkers that help assess related aspects of health and wellness.
Medical Disclaimer
This information is for educational purposes only and is not medical advice. Always consult with a qualified healthcare provider about your specific health needs.
Last reviewed:2026-04-12