"Hemoglobin concentration" refers to the amount of hemoglobin, a protein in red blood cells that carries oxygen, present in a given volume of blood. It is a measure used to assess the amount of oxygen-carrying capacity in the blood. Full definition
Hb and MCHC (hemoglobin and mean corpuscular hemoglobin concentration) measure hemoglobin, the oxygen - carrying pigment of red blood cells (corpuscles). (petsfriendsunnyvale.com)
The court also upheld a two - year ban for Italian rider Pietro Caucchioli; the cyclist's variations in hemoglobin concentration over a span of several months, the court ruled, «could not be considered as physiological» and hence demonstrated doping to enhance the blood's oxygen - carrying capacity. (scientificamerican.com)
Elizabeta Nemeth, PhD University of California, Los Angeles Los Angeles, CA Effects of Inflammation on Hemoglobin Concentrations - Mechanisms and Clinical Effects (hematology.org)