Absolute Neutrophil Count is the total number of neutrophils (segs + bands) in circulation. Critical for assessing infection risk in chemotherapy, bone marrow suppression.

What are the ANC thresholds?

Normal: ≥1500. Mild neutropenia: 1000-1500. Moderate: 500-1000. Severe: under 500. Profound: under 100. Fever + ANC under 500 = febrile neutropenia emergency.

What is febrile neutropenia?

Fever (≥38.3°C or ≥38.0°C sustained) + ANC under 500 or expected to fall under 500. Medical emergency requiring prompt broad-spectrum antibiotics.

Bands (immature neutrophils) are functional and fight infection. Include in ANC calculation. High band count may indicate stress response or infection.

How often should ANC be monitored?

During chemotherapy: typically check 7-14 days post-cycle (nadir). In established neutropenia: may need daily monitoring.

ANC Calculator

Absolute Neutrophil Count for infection risk.

WBC

×10³/µL

White blood cell count in thousands

Neutrophils (segs)

Segmented neutrophils percentage

Bands

Band (immature) neutrophils percentage

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ANC

0 /µL

Profound Neutropenia

High infection risk. If febrile, initiate broad-spectrum antibiotics immediately.

Febrile Neutropenia Alert: If febrile (≥38.3°C), this is a medical emergency. Start broad-spectrum antibiotics within 1 hour.

Formula

ANC = WBC × 1000 × (% Neutrophils + % Bands) / 100

= 5 × 1000 × (60 + 5) / 100 = 0 /µL

Frequently Asked Questions

About the ANC Calculator

What it calculates

This anc calculator applies a validated clinical scoring method used in healthcare settings. Absolute Neutrophil Count.

When to use it

Use as a clinical decision support aid alongside professional judgment — not as a standalone diagnosis.

Example

Adjust the inputs above to model your specific scenario with the ANC Calculator.

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ANC Calculator

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0 /µL

Profound Neutropenia

Formula

About the ANC Calculator

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