Serum ferritin concentrations for the assessment of iron status in individuals and populations: technical brief

This technical brief aims to provide summarized information about the use of serum ferritin for assessing iron status in individuals and populations. It is a compilation of the current World Health Organization ( WHO) recommendations on the topic and summarizes the cut-off values for describing iron stores and the chronology of their establishment. It also includes considerations for assessment of the risk of iron overload.