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Complete Blood Count or Complete Blood Count with Differential: What's the Difference?

  • Deepak Agrawal
    Correspondence
    Requests for reprints should be addressed to Deepak Agrawal, MD, MPH, Division of Gastroenterology and Hepatology, University of Texas Southwestern Medical Center, K5-140A, 5959 Harry Hines Blvd, Dallas, TX 75390.
    Affiliations
    Division of Gastroenterology and Hepatology, University of Texas Southwestern Medical Center, Dallas
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  • Ravi Sarode
    Affiliations
    Department of Pathology, Clinical Laboratory Services, University of Texas Southwestern Medical Center, Dallas
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      Complete blood cell count is the most commonly performed blood test. Complete blood count includes white blood cell count, hemoglobin, platelet count, and red blood cell indices. Complete blood count may be ordered with “differential” if information about percentages and absolute numbers of different types of white cells is clinically required.
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