Common Laboratory (LAB) Values [ W - X - Y - Z ]

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Lab (Specimen)

Conventional Units

SI Units

WBC count (blood)
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3.8 - 10.8 x 103/µL 3.8 - 10.8 x 109/L
WBC differential (blood)

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Absolute neutrophils: 1500 - 7800 cells/µL

Absolute eosinophils: 50 - 1500 cells/µL

Absolute basophils: 0 - 200 cells/µL

Absolute lymphocytes: 850 - 4100 cells/µL

Absolute monocytes: 200 - 1100 cells/µL
Zinc (plasma)
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60 - 130 µg/dL 9.2 - 19.9 µmol/L

Important Notes   top of page icon

>Unless noted, all values are for adults.
>All laboratory values listed are method dependent (Methods include: immunoassay, colorimetry, electrophoresis, HPLC, etc).
>Values may vary between laboratories.


Basic Skills in Interpreting Laboratory Data, 5th Ed. (2013) Lee M (editor). American Society of Health-System Pharmacists, ISBN 1585283436.

Drug information handbook: a comprehensive resource for all clinicians and healthcare professionals, 24th Ed. (2015) Lexi-Comp.
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