Definition

• MCV >100

• Microcytic anemia
• Normocytic anemia
• Anemia, general approach

• Megaloblastic anemia: folic acid or Vitamin B12 deficiency
• Liver disease (target cells)
• Alcoholism
• Reticulocytosis
• Hypothyroidism
• Myelodysplastic syndrome
• Antiretrovirals, eg, AZT