Absolute Neutrophil Count (ANC) Tutorial

The below given Absolute Neutrophil Count (ANC) tutorial provides you the definition and formula of ANC. Also, it provides you an ANC calculation example problem which guides you to perform the calculation on your own.

Absolute Neutrophil Count(ANC)

Definition:

Absolute Neutrophil Count is a measure of the number of neutrophil granulocytes present in the blood. It is calculated from measurements of the total number of white blood cells (WBC), usually based on the combined percentage of mature neutrophils and immature neutrophils (bands).

Formula

ANC (cells/mm3) = [(Neutrophil % + Band Cells %) x Total WBC] / 100 Where, ANC - Absolute Neutrophil Count WBC - White Blood Cells

ANC Calculation Example:

Example 1:

Let us consider: Find Absolute neutrophil count when your WBC count is 4, neutrophil range is 33% and band range is 10%.

Solution:

ANC = (4 × (33 + 10) ) / 100 = (4 × 43) / 100 = 1.72

Hence, Absolute Neutrophil Count determined using ANC formula is 1.72

Example 2:

Let us consider: Find Absolute neutrophil count if your WBC count is 6, neutrophil range is 40% and band range is 15%.

Solution:

ANC = (6 × (40 + 15) ) / 100 = (6 × 55) / 100 = 3.3

Hence, Absolute Neutrophil Count determined using ANC formula is 3.3


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