what is hematology cbc blood test for
Tweet. A hematology lab test for CBC or a Complete Blood Count test could be done for a variety of reasons. A high white blood count could be an indication of infection, and it also shows an increase in some types of leukemia.On the other hand low white blood counts could indicate bone marrow diseases or enlargement of the spleen.In some cases of HIV infection too, there may be a low white blood count. high white blood count could be an indication of infection, and it also shows an increase in some types of leukemia. On the other hand low white blood counts could indicate bone marrow diseases or enlargement of the spleen. In some cases of HIV infection too, there may be a low white blood count.