A 32-year-old woman comes to the physician for a follow-up appointment. She has no past medical history. Laboratory studies show:
Hemoglobin 10 g/dL
MCV 72 fL
Iron 90 μg/dL (NR 60-170)
Ferritin 150 ng/mL (NR 25-300)
Which of the following is the next best step in management?
Chelation therapy
Enteral iron therapy
Hemoglobin electrophoresis
α-globin DNA analysis
Parenteral iron therapy
Schedule routine follow-up in 1 year
