WBC countLeukocyte count; White blood cell count; White blood cell differential; WBC differential; Infection - WBC count; Cancer - WBC count
A WBC count is a blood test to measure the number of white blood cells (WBCs) in the blood.
WBCs are also called leukocytes. They help fight infections. There are five major types of white blood cells:
- Lymphocytes (T cells, B cells, and Natural Killer cells)
Chernecky CC, Berger BJ. Differential leukocyte count (Diff) - peripheral blood. In: Chernecky CC, Berger BJ, eds. Laboratory Tests and Diagnostic Procedures. 6th ed. St Louis, MO: Elsevier Saunders; 2013:441-450.
Vajpayee N, Graham SS, Bem S. Basic examination of blood and bone marrow. In: McPherson RA, Pincus MR, eds. Henry's Clinical Diagnosis and Management by Laboratory Methods. 23rd ed. St Louis, MO: Elsevier; 2017:chap 30.