MedFast.AI

Blood count

Neutrophils

What it means

The most common type of white blood cell — first responders to bacterial infection. High neutrophils often mean bacterial infection or inflammation.

Typical normal range

40–75% of WBCs · 2,000–7,500/µL

Reference ranges vary by lab, age, sex, and pregnancy. Always check the range on your own report.

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Related terms in Blood count

Sources & Standards

The plain-language explanations above draw on published standards from the following bodies. Reference ranges and thresholds vary slightly by lab and demographic — always check the range on your own report and follow your doctor's interpretation.

AI can be wrong. Explanations here are for comprehension only — confirm every decision with your doctor.

This is a plain-language explanation for patients, not clinical advice. AI can be wrong. Always confirm with your doctor.