What This Value Measures
Serum iron measures the amount of iron currently circulating in the blood. It fluctuates considerably and is usually assessed together with ferritin.
Elevated Value
An elevated value may indicate increased iron release or iron overload.
Low Value
A decreased value may indicate iron deficiency.
Note: The value fluctuates during the day and is usually higher in the morning.
Reference ranges are typical guide values for adults and vary depending on the laboratory, measurement method, age and sex — always compare with the range stated on your own report. A value outside the range does not automatically mean an illness, and a value within the range does not rule one out. The trend and overall picture are usually more informative than a single value. The doctor's assessment is always decisive.