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Anemia is a condition caused by a lack of healthy red blood cells or low hemoglobin in the blood. Red blood cells contain hemoglobin, which carries oxygen throughout the body. When those levels are low, the decrease in oxygen can cause symptoms such as fatigue, dizziness and headaches. There are many types of anemia, each with its own cause; iron-deficiency anemia is the most common.
This anemia blood test includes a complete blood count (CBC) that measures your red blood cells to help detect anemia. Iron, B-12 and folate are also measured since mineral and vitamin deficiencies are common causes of anemia.