Defining ferritin clinical decision limits to improve diagnosis and treatment of iron deficiency: A modified Delphi study

BACKGROUND: Iron deficiency is highly prevalent worldwide and is an issue of health inequity. Despite its high prevalence, uncertainty on the clinical applicability and evidence-base of iron-related lab test cut-offs remains. In particular, current ferritin decision limits for the diagnosis of iron deficiency may not be clinically appropriate nor scientifically grounded. METHODS: A modified Delphi study was conducted with various clinical …