Show references Sandoval C. Approach to the child with anemia. Accessed March 24, Schrier SL. Approach to the adult patient with anemia. Types of blood tests. National Heart, Lung, and Blood Institute. Tefferi A. Diagnostic approach to the patient with polycythemia. Hoffman R, et al. The polycythemias. In: Hematology: Basic Principles and Practice. Philadelphia, Pa. CBC with differential, blood.
Mayo Medical Laboratories. Anemia has many causes, including low levels of certain vitamins or iron, blood loss, or an underlying condition. A red blood cell count that's higher than normal erythrocytosis , or high hemoglobin or hematocrit levels, could point to an underlying medical condition, such as polycythemia vera or heart disease.
White blood cell count. A low white blood cell count leukopenia may be caused by a medical condition, such as an autoimmune disorder that destroys white blood cells, bone marrow problems or cancer. Certain medications also can cause white blood cell counts to drop. If your white blood cell count is higher than normal, you may have an infection or inflammation. Or, it could indicate that you have an immune system disorder or a bone marrow disease. A high white blood cell count can also be a reaction to medication.
For specifics about what your complete blood count results mean if they fall outside the normal ranges, talk to your doctor. Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission. This content does not have an English version.
This content does not have an Arabic version. Overview A complete blood count CBC is a blood test used to evaluate your overall health and detect a wide range of disorders, including anemia, infection and leukemia. A complete blood count test measures several components and features of your blood, including: Red blood cells, which carry oxygen White blood cells, which fight infection Hemoglobin, the oxygen-carrying protein in red blood cells Hematocrit, the proportion of red blood cells to the fluid component, or plasma, in your blood Platelets, which help with blood clotting.
Blood donations can help trauma patients, cancer patients, people with chronic illnesses, and more. What Does Hematocrit Mean? What Is a Hematocrit Level? What Is Normal Hematocrit? What Is the Difference Between Hematocrit and Hemoglobin Hematocrit and hemoglobin measurements are both blood tests but they are not testing the same thing. Hematocrit is the percentage of red cells in your blood. Hemoglobin enables red cells to transport oxygen and carbon dioxide throughout your body.
Normal hemoglobin for men ranges from Normal range for women is
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