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What does a red blood cell count (RBC) mean from a complete blood count (CBC)?

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Your red blood cell count (RBC) is the number of red blood cells you have. These are important because they deliver oxygen through your body. They also help take carbon dioxide away from cells. If your RBC count is too low, you may have anemia or another condition. (If you have anemia, your blood has fewer red blood cells than normal.) The normal range for men is 4.5 million to 5.9 million cells per microliter (mcL). For women, it’s 4.1 million to 5.1 million cells/mcL.

From: Complete Blood Count (CBC) Test WebMD Medical Reference

SOURCES:

Mayo Clinic: “Complete Blood Count (CBC).”

American Association for Clinical Chemistry: “Complete Blood Count,” “Reference Ranges and What They Mean.”

University of Rochester Medical Center: “Complete Blood Count.”

National Heart, Lung, and Blood Institute: “What Do Blood Tests Show?” “What Is Anemia?”

UCLA Health: “Complete Blood Count.”

Reviewed by Louise Chang on December 22, 2018

SOURCES:

Mayo Clinic: “Complete Blood Count (CBC).”

American Association for Clinical Chemistry: “Complete Blood Count,” “Reference Ranges and What They Mean.”

University of Rochester Medical Center: “Complete Blood Count.”

National Heart, Lung, and Blood Institute: “What Do Blood Tests Show?” “What Is Anemia?”

UCLA Health: “Complete Blood Count.”

Reviewed by Louise Chang on December 22, 2018

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What does a low or high level of hematocrit (Hct) from a complete blood count (CBC) indicate?

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