Routine blood leukocyte 3.8, normally considered low, the normal leukocyte value is 4 to 10, 3.8 below the normal value, consider that there may be chronic inflammation or due to low immune function, there are also cases of hereditary low leukocyte. However, sometimes it is best to refer to the normal values behind to make a judgment. some instruments may have a normal white blood cell value of 3.69 to 9.69. in this case, the white blood cell value is considered normal, and if the routine blood white blood cell value does not have upward and downward arrows, it is also considered possible to be normal.