White cell count differential
Keywords: White blood cell count, WCC, WBC, WBC Diff, Differential, Leucocyte count, Leucocyte differential count
Specimen: |
5 mL blood in EDTA; 2 mL blood in special paediatric EDTA tube.
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Method: |
Microscopic examination of stained Blood film recording identity of at least 100 leucocytes.
Automated haematology analysers provide a full or limited differential.
Total leucocyte count used to convert % figures to absolute counts.
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Reference Interval: |
Results expressed as absolute values x 109/L. See Table 4.
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Application: |
To establish the numbers of individual leucocytes in the peripheral blood.
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Interpretation: |
For the significance of abnormalities in individual leucocyte numbers see:
Neutrophilia,
Neutropenia,
Lymphocytosis,
Lymphocytopenia
Monocytosis,
Eosinophilia,
Basophilia, and
Pancytopenia in Clinical problems listing.
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Reference: |
Bain BJ. Blood cells: a practical guide. 4th Ed. 2007. Oxford: Blackwell Publishing.
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