what a blood test could be besides leukemia?
<answer> Abnormal levels of white blood cells and abnormally low red blood cell or platelet counts can indicate leukemia. <context> Abnormal levels of white blood cells and abnormally low red blood cell or platelet counts can also indicate leukemia. If you test positive for leukemia, your doctor will perform a biopsy of your bone marrow to determine which type you have.