abnormal cellular hemoglobin content increased cellular hemoglobin content increased cellular haemoglobin content increased corpuscular haemoglobin content MP:0008955 increase in the mean of the red blood cell hemoglobin concentration (RBC CH) histogram, which represents the distribution of red blood cells by the amount of hemoglobin present in each individual cell independent of cell volume increased CH CH is reported in picograms (pg). increased corpuscular hemoglobin content MPheno.ontology