In addition, her serum ferritin concentration (62 ng/mL, reference of 12–60 ng/mL) was not low, it was slightly high, while her serum transferrin concentration (174 mg/dL, reference of 190–320 mg/dL) was low, not elevated, indicating that anemia was not derived from an iron deficiency. This evidence concerns the gene TF and Iron deficiency anemia.