Guidelines for iron deficiency cut-off points under scrutiny

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By Olivia Bowthorpe

The cut-off point for iron deficiency tests in primary care is being questioned in a new study.

In the retrospective cohort study, ferritin levels of 30 ng/mL (nanograms per millilitre) and 45 ng/mL were linked to "a substantially higher incidence of iron deficiency" compared with 15 ng/mL.