Absolute Neutrophil Count
Enter total WBC count and the percentage of segmented neutrophils and bands to compute the ANC (cells/µL).
Absolute neutrophil count
2835 cells/µL
Within reference range
ANC ≥1500 cells/µL is considered normal in most adults. Interpret alongside clinical context.
How to Use This Calculator
Obtain CBC differential
Ensure total white blood cell count and differential percentages are from the same laboratory sample.
Enter neutrophil percentages
Include both segmented (mature) and band (immature) neutrophils in the calculation for accuracy.
Interpret neutropenia severity
Use the resulting ANC to determine neutropenia grade and guide infection prophylaxis or treatment decisions.
Formula
ANC (cells/µL) = Total WBC × (Seg% + Band%) ÷ 100
Reference ranges: Normal ≥1500; mild neutropenia 1000–1499; moderate 500–999; severe <500 cells/µL.
Full Description
Absolute neutrophil count quantifies the body’s immediate immune defense against bacterial infections. It is critical when monitoring chemotherapy patients, bone marrow disorders, viral infections, and medication effects. ANC informs infection prophylaxis strategies, timing of chemotherapy cycles, and need for growth factor support.
Frequently Asked Questions
Do I need to include bands?
Yes. Bands represent immature neutrophils. Including them yields a more accurate ANC, especially during marrow recovery.
What about other immature forms?
Metamyelocytes and myelocytes are typically not included unless specified by institutional protocol.
How often should ANC be checked?
Frequency depends on clinical scenario; oncology patients may require daily monitoring during nadirs.
What precautions are needed for severe neutropenia?
Implement neutropenic precautions: avoid raw foods, monitor temperature, prompt evaluation of fever, and consider prophylactic antibiotics.