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A complete blood count (CBC) is a blood test. It's used to look at overall health and find a wide range of conditions, including anemia, infection and leukemia. A complete blood count test measures the following: Red blood cells, which carry oxygen; White blood cells, which fight infection; Hemoglobin, the oxygen-carrying protein in red blood cells
Your healthcare professional may test your hemoglobin as part of a complete blood count (CBC) during a routine checkup. A CBC is done to look at your general health and to screen for a variety of disorders, such as anemia.
Complete blood count (CBC). A CBC is used to count the number of blood cells in a sample of blood. For anemia, the test measures the amount of the red blood cells in the blood, called hematocrit, and the level of hemoglobin in the blood.
Some blood tests used to diagnose cancer include: A test to count your blood cells. A complete blood count (CBC) measures the amount of each type of blood cell in a sample of your blood. Blood cancers may be found using this test. A test that looks at the blood proteins.
Learn what to expect from having this common blood test, why it's done and how to prepare.
It's best if levels are under 100 mg/dL (2.6 mmol/L). This is especially true for people with diabetes or a history of heart attack, a heart stent, heart bypass surgery, or other heart or vascular condition. In people with the highest risk of heart attacks, the LDL level to aim for is below 70 mg/dL (1.8 mmol/L).
A low hemoglobin count can be associated with a disease or condition that causes your body to have too few red blood cells. This can occur if: Your body produces fewer red blood cells than usual. Your body destroys red blood cells faster than they can be produced. You have blood loss.
A hematocrit test can help your health care team make a diagnosis or monitor how you respond to a treatment. The test is done as part of a complete blood count (CBC). When the hematocrit value is low, the proportion of red blood cells in the blood is lower than usual. This can indicate:
The following tests can help diagnose aplastic anemia: Blood tests. Normally, red blood cell, white blood cell and platelet levels stay within certain ranges. In aplastic anemia all three of these blood cell levels are low. Bone marrow biopsy.
To diagnose iron deficiency anemia, your doctor may run tests to look for: Red blood cell size and color. With iron deficiency anemia, red blood cells are smaller and paler in color than normal. Hematocrit. This is the percentage of your blood volume made up by red blood cells.