Lymphocytosis (lim-foe-sie-TOE-sis), or a large lymphocyte depend, is an enhance in white blood cells termed lymphocytes. Lymphocytes assistance struggle off conditions, so it truly is standard to see a non permanent enhance following an an infection.

A depend substantially higher than 3,000 lymphocytes in a microliter of blood is usually regarded to be lymphocytosis in adults. In children, the threshold for lymphocytosis varies with age. It can be as large as nine,000 lymphocytes per microliter. The specific thresholds for lymphocytosis can vary a little bit from a person lab to another.