What does it mean to have microcytosis without anemia?

See below. Microcytosis means the red blood cells are small. This commonly occurs in iron deficiency but can be seen in a variety of hemoglobin disorders such as thalassemia.
See below. Several possible explanations: beta thalassemia trait, beta thalassemia minor, minimal iron deficiency, early sideroblastic anemia, minimal exposure to lead. The full results need to be discussed with your doctor.