Normal Reference Ranges
Adult
250 - 450 mcg/dL
Pediatric
250 - 400 mcg/dL
Clinical Significance
Indirect measure of transferrin. Characteristically elevated in iron deficiency anemia and depressed in anemia of chronic disease.
Causes of High
- Iron deficiency anemia
- Pregnancy
- Oral contraceptive use
Causes of Low
- Anemia of chronic disease
- Hemochromatosis
- Malnutrition
- Severe liver disease