ANC (Excluding Bands)
When laboratory differential reports only total neutrophil percentage, use this calculator to approximate the absolute neutrophil count.
Use reported neutrophil percentage (segmented + bands combined if provided).
Estimated ANC
3300 cells/µL
Within reference range
ANC ≥1500 cells/µL is considered normal for most adults. Correlate with symptoms and overall white cell profile.
How to Use This Calculator
Obtain WBC and neutrophil percentage
Use automated differential data when band counts are not reported separately.
Enter values accurately
Ensure WBC is expressed in cells/µL and neutrophil percentage is not a decimal. Example: 55% → 55.
Interpret neutropenia risk
Use the ANC to determine required precautions, prophylaxis, or further workup for neutropenia.
Formula
ANC (cells/µL) = Total WBC × Neutrophil % ÷ 100
Reference: Normal ≥1500; mild neutropenia 1000–1499; moderate 500–999; severe <500 cells/µL.
Full Description
Some laboratories report only total neutrophil percentage without band differentiation. This calculator approximates ANC using available data, recognizing that actual ANC may be slightly higher if bands are present. Monitoring ANC helps clinicians gauge infection risk in immunocompromised patients.
Frequently Asked Questions
How accurate is ANC without bands?
It may slightly underestimate the true ANC if bands are elevated. Use the band-inclusive calculator when data are available.
Can I use absolute neutrophil count provided by the lab?
Yes. Many labs provide ANC directly. This tool is helpful when only percentages and WBC are reported.
Should benign ethnic neutropenia change interpretation?
Individuals of some ethnic backgrounds may have ANC 1000–1500 without increased infection risk. Interpret results with clinical judgment.
What if WBC is reported in 10⁹/L?
Convert to cells/µL by multiplying by 1000 before using this calculator (e.g., 4.5 ×10⁹/L → 4500 cells/µL).