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 24 of the 93 check-ups we track, 26%. Cheapest first.

and 12 more.

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