This lab test measures lymphocytes which are a critical component of the immune system. Lymphocytes are elevated with viral infections and certain conditions such as Crohn's disease.
Lymphocytes are a specific type of white blood cells. They make up part of the immune system and help the body fight diseases or harmful substances.
Lymphocytes are measured as a percentage. The normal range for lymphocytes is 25-35%.
Fasting is not required before the test