Causes of High Leukocytes heal Symptoms of High Leukocytes or Leukocytosis High Leukocytes: These are the Causes and Symptoms In each microliter of adult blood, normally there are 3,500-10,500 white blood cells or leukocytes. But if the number of leukocyt… Written By Adi Marsha Saturday, September 7, 2019 Add Comment Edit