Ferritin

MeasuredUseful

Your stored iron.

The best single test for iron deficiency, and it drops before anaemia appears.

How we rate it — Useful

Worth doing for a specific reason — a risk factor, a symptom, an age group.

This rating and the description above were written against published screening guidelines by someone who is not a clinician, and are awaiting review by one. We would rather say that than imply an authority we do not have.

Check-ups that include it

In 18 of the 78check-ups we track — 23%. Cheapest first.

and 6 more.

Information here is for comparing packages, not for diagnosing yourself. Talk to a doctor about which tests you actually need.