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Laboratory Values 

Correct and Preferred Usage

Roxanne K. Young

Usually, in reports of clinical or laboratory data, the substance per se is not reported; rather, a value is given that was obtained by measuring a substance or some function or constituent of it. For example, one does not report hemoglobin but hemoglobin level. Some other correct forms are as follows: differential white blood cell count agglutination titer prothrombin time pulse rate erythrocyte sedimentation rate total serum cholesterol value or level or concentration increase in antibody level creatinine level or clearance serum phosphorus concentration increase in bilirubin level platelet count 24-hour urine output or volume antinuclear antibody titer mean corpuscular

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