Differential Leukocytes Count, Blood


The white blood cell (leukocyte) differential count determines the number of each type of white blood cell present in the blood. It can be expressed as a percentage (relative numbers of each type of WBC in relationship to the total WBC) or as an absolute value (percentage x total WBC). Of these, the absolute value is much more important than the relative value. There are five basic white blood cell types, Neutrophils, Eosinophils, Basophils, Lymphocytes and Monocytes. Each WBC cell type has its own unique features. See Also Leukoctes Count, Total


This test is used to determine the qualitative and quantitative variations in white cell numbers and morphology.

Sample Type, Quantity & Conditions

1 ml EDTA Whole Blood Room Temperature

Special Precautions

Normal Range

See Appendix

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