Neutrophils comprise approximately 40% to 60% of the total leukocyte count. Neutrophilia, an increased neutrophil count at least 2 standard deviations above the mean or >7700 neutrophils/µL in adults, is the most common cause of leucocytosis. (1)
Neutrophils > 7.5 x 109/l may be caused by:
A suggested management of raised neutrophils in adults is:

Reference
Annotations allow you to add information to this page that would be handy to have on hand during a consultation. E.g. a website or number. This information will always show when you visit this page.