RBC – Red blood cell count

Red blood cell (RBC) count. Red blood cells carry oxygen from the lungs to the rest of the body. They also help carry carbon dioxide back to the lungs so it can be exhaled. The red blood cell count shows the number of red blood cells in a sample of blood. If the RBC count is low, the body may not be getting the oxygen it needs. If the count is too high (a condition called polycythemia), there is a risk that the red blood cells will clump together and block tiny blood vessels (capillaries).
This is part of the CBC – Complete Blood Count Test.
Other definitions of RBC found here.

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