缺铁性贫血（Iron deficiency anaemia, IDA）是最常见的贫血类型。病因包括铁摄入不足、铁损失增加和铁需求增加。
其他的实验室发现包括血清铁含量降低，总铁结合力（Total iron-binding capacity, TIBC）升高，转铁蛋白饱和度少于 16%，以及血清铁蛋白降低。
Lysosomal Storage Disorders Unit
Department of Haematology
Royal Free Hospital
AM declares that he has no competing interests.
Dr Atul Mehta would like to gratefully acknowledge Dr Martina Murphy, Dr Marc Zumberg, and Dr Rebecca Fischer Connor, previous contributors to this topic.
MZ declares that he is medical director for NCF Diagnostics and DNA Technologies, and a consultant for Alexion Pharmaceuticals. MM and RFC declare that they have no competing interests.
Internal Medicine Instructor
Member of Evidence Based Medicine Unit
Catholic University of Chile
CA declares that he has no competing interests.
University Hospital Birmingham NHS Trust
JM declares that he has no competing interests.
AK has received a fee for speaking about perioperative blood management from Ortho-Biotech, and has also received reimbursement from medscape.com for the education webcast of the same presentation.