WBC

White blood cells are part of your immune system, which fights infections and diseases. Abnormal white blood cell levels might be a sign of infection, blood cancer, or an immune system disorder.

A CBC measures the overall number of white blood cells in your blood. A test called a CBC with differential can measure the amounts of different types of white blood cells in your blood.

Normal Range (Varries with altitude):

      3.5-10.5 billion cells/L

     (3,500 to 10,500 cells/mcL)