What do the results mean?A CBC counts the cells and measures the levels of different substances in your blood. There are many reasons your levels may fall outside the normal range. For instance:Abnormal red blood cell, hemoglobin, or hematocrit levels may indicate anemia, iron deficiency, or heart diseaseLow white cell count may indicate an autoimmune disorder, bone marrow disorder, or cancerHigh white cell count may indicate an infection or reaction to medicationIf any of your levels are abnormal, it does not necessarily indicate a medical problem needing treatment. Diet, activity level, medications, a women's menstrual cycle, and other considerations can affect the results. Talk to your health care provider to learn what your results mean.Learn more about laboratory tests, reference ranges, and understanding results.
