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Ironug/dL

Serum iron is the amount of iron circulating in the blood at the moment of the draw. It varies a lot during the day.

See your own Iron on its range.

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What Iron measures

Serum iron is the amount of iron circulating in the blood at the moment of the draw. It varies a lot during the day.

If your Iron is low

Serum iron below the range is commonly associated with low iron stores or inflammation, and it swings with the time of day.

Commonly associated with

Worth asking your clinician: Whether ferritin and iron saturation clarify it.

If your Iron is high

Serum iron above the range varies with the time of day and recent iron intake or supplements; persistently high values are looked at with ferritin and saturation.

Commonly associated with

Worth asking your clinician: Whether ferritin and iron saturation tell the same story.

Typical reference range

GroupTypical range
Adults38 – 169 ug/dL

Typical adult values used by many US labs. Your own report prints the range your lab validated for its method, and that range is the one that counts. Labwise always uses the printed range first.

If it is within range

Your serum iron is within the range printed by your lab.

Also listed as

Iron, Serum, Iron, Total

Related tests

This page is general information about what a laboratory test measures and what results outside a reference range are commonly associated with. It is not medical advice, does not diagnose any condition and does not replace your clinician. Discuss your results with your healthcare provider.