A red blood cell (RBC) count measures the number of red blood cells in a sample of blood. It is part of a battery of tests called a complete blood count (CBC) that measures the different types and ...

Doctors diagnose anemia when a blood test shows hemoglobin levels of less than 13.5 grams per deciliter (g/dL) for men or 12.0 g/dL for women. If you have slightly higher red blood cell counts and ...

What Is a RDW Blood Test? An RDW blood test – also known as a red blood cell distribution width blood test – is a measure of the difference in your red blood cells’ size and volume. RDW is one part of ...

Red blood cells are the most abundant cells in the body. It has long been known that when red blood cells break down or anemia occurs due to bleeding, the hormone erythropoietin (EPO) increases, ...