Ferritin

Your iron stores in one number.

Ferritin: illustration of a protein shell around an iron core
Image generated with AI.

Ferritin shows your iron stores. In adults, below 15 ng/mL means iron deficiency (WHO). Inflammation raises ferritin and can mislead.

Ranges vary by lab.
GroupTypical range (ng/mL)
Womenabout 15–150
Menabout 30–400
Deficiency threshold<15 (<70 with inflammation)
Sources
  • WHO, Guideline on ferritin to assess iron status (2020)

General information only; not diagnosis or treatment. Review your results with your clinician.