Mean corpuscular hemoglobin (MCH) is a measure of the average amount of hemoglobin in the red blood cells (RBCs). The hemoglobin in red blood cells picks up oxygen in the lungs and delivers it to all ...

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 ...

A high red blood cell count can occur for many reasons, including excessive cell production, changes in blood volume, or underlying medical conditions. Sometimes, the cause is unknown. Erythrocytes, ...