Sep

18

2021

How is anemia classified?

By William Aird

Two main classification schemes:

  • Based on reticulocyte count (hypoproliferative vs. hyperproliferative)
  • Based on red cell morphology (microcytic [with or without hypochromia]) vs. normocytic vs. macrocytic)
MCV, mean cell volume; BM, bone marrow; HA, hemolytic anemia; TMA, thrombotic microangiopathy; MAHA, microangiopathic hemolytic anemia; SCD, sickle cell disease; HS, hereditary spherocytosis; HE, hereditary elliptocytosis; PNH, paroxysmal nocturnal hemoglobinuria; PKD, pyruvate kinase deficiency.