CBC- Complete blood count:  A complete blood count (CBC) is a test that counts the cells that make up your blood: red blood cells, white blood cells, and platelets. Your doctor may order a CBC as part of a routine checkup or to:

• Check for anemia, a condition that causes you to have fewer red blood cells than usual
• Find out if you have another health issue or to explain symptoms like weakness, fever, bruising, or feeling tired
• Keep an eye on a blood condition