<prompt> All the following are criteria for diagnosing severe aplastic anemia except:BM cellularity 25Reticulocyte 1Platelet 20kANC1500  <response>: D i.e. ANC 1500Ref: WHO, Hematopoietic System, page 221Explanation:Criteria for Aplastic Anemia ASHClassificationCriteriaSevereBM cellularity 25 or50if 30 of BM is hematopoietic cells AND 2 of the following: Peripheral blood neutrophil count 0.5x109L Peripheral blood platelet count 20x109L Peripheral blood reticulocyte count 20x109LVery severeAs above, but peripheral blood neutrophil count must be 0.2x109LNon-severeHypocellullar BM with peripheral blood values not meeting criteria for severe aplastic anemia 