CBC
Alternate Names : Complete Blood Count
Definition
A complete blood count (CBC) test measures the following:
- The number of red blood cells (RBCs)
- The number of white blood cells (WBCs)
- The total amount of hemoglobin in the blood
- The fraction of the blood composed of red blood cells (hematocrit)
- The mean corpuscular volume (MCV) -- the size of the red blood cells
CBC also includes information about the red blood cells that is calculated from the other measurements:
- MCH (mean corpuscular hemoglobin)
- MCHC (mean corpuscular hemoglobin concentration)
The platelet count is also usually included in the CBC.
Pictures & Images
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Red Blood Cells, Sickle Cell
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Megaloblastic Anemia - View of Red Blood Cells
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Red Blood Cells, Tear-Drop Shape
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Red Blood Cells, Normal
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Red Blood Cells, Elliptocytosis
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Red Blood Cells, Spherocytosis
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Red Blood Cells, Multiple Sickle Cells
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Basophil (Close-Up)
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Malaria, Microscopic View of Cellular Parasites
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Malaria, Photomicrograph of Cellular Parasites
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Red Blood Cells, Sickle Cells
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Red Blood Cells, Sickle and Pappenheimer
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Red Blood Cells, Target Cells
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Formed Elements of Blood
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Jump to a section
• Pictures & Images
• Definition
• Why is the Test Performed?
• How is the Test Performed?
• How to Prepare for the Test?
• How will the Test Feel?
• Normal Values
• What do Abnormal Results Mean?
• Special Considerations
• Risks
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Tests & Exams
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• Hematocrit (HCT)
• Hemoglobin
• RBC Count
• WBC Count
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