All tests · Complete Blood Count (CBC) · Neutrophils (%)

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What causes a low Neutrophils (%)?

Normal range 40-70 % of WBC (0.4-0.7 fraction SI). Specimen: Whole blood (EDTA). See the full Neutrophils (%) reference page for critical values and nursing considerations.

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Common causes of a low Neutrophils (%)

  • Overwhelming sepsis
  • Chemotherapy or marrow suppression
  • Viral infection

Looking for the other direction? See what causes a high Neutrophils (%).

What is the normal range for Neutrophils (%)?

The standard teaching reference range for Neutrophils (%) is 40-70 % of WBC in conventional units, or 0.4-0.7 fraction in SI units. This value is measured in whole blood (edta).

Neutrophils (%) reference range and specimen details
SpecimenWhole blood (EDTA)
Conventional range40-70 % of WBC
SI range0.4-0.7 fraction
PanelComplete Blood Count (CBC)

Full details, including nursing considerations, on the Neutrophils (%) normal range page. Reference ranges vary by laboratory, method, age, sex, and population - always use the range printed on the actual result.

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