Adult:
Female: 10–150 ng/mL; SI units: 10–150 ng/L.
Male: 12–300 ng/mL; SI units: 12–300 ng/L
Child >1 year: 7–140 ng/mL; SI units: 7–140 ng/L
Red-top tube.
■ Indicates available iron stores in the body.
■ Level below 10 ng/mL diagnostic of iron deficiency anemia.