MCH calculated from measured values of Hb and RBC; ie, MCH = Hb/RBC. A low MCH can mean hypochromia or microcytosis or both. A high MCH is evidence of macrocytosis.
Normal Range: 26-34 pg
increased in: Macrocytosis.
Decreased in: Microcytosis
(iron deficiency, thalassemia). Hypochromia (lead poisoning, sideroblastic
anemia, anemia of chronic disease).
