The Red Blood Cell Count is given by a CBC machine and tells you the number of RBC's in a microliter of blood. This number should be compared to the PCV since they both are giving you an idea of the number of red blood cells in the blood.
Increased RBC count may be caused by:
-Platelet clumping: platelet clumps are often read by machines as being RBC's. If there are a lot of clumps it could throw your RBC count off by quite a bit. Compare to your PCV and check your MCV to determine if this is the case.
-Dehydration: check the albumin, if it is also high dehydration is likely.
Decreased RBC count may be caused by:
A decreased RBC count indicates anemia which has 3 main causes:
-Lack of RBC production: from bone marrow issues, nutrition problems, or
kidney problems since the kidneys stimulate production via
erythropoietin.
-Increased RBC destruction: due to intracellular parasites, immune disorders (IMHA), etc
-Loss: from external or internal bleeding.
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