He will also be looking for elevated white blood cell count and any indications of the suppression of bone marrow, as this is one of the common internal signs of this type of toxicity. (wagwalking.com)
The most striking abnormalities were a markedly elevated white blood cell count of 28,500 per cubic milliliter (the normal level is about 5,000 to 10,000) and what is called a shift to the left, which refers to a large increase in the number of mature and immature granulocytes, cells that increase in number when an acute infection must be fought off. (discovermagazine.com)