Fibrinogen assays are used in the investigation of haemorrhagic states or in laboratory testing for haemorrhagic disorders. This guideline reviews the clinical utility of fibrinogen assays, and makes recommendations on which assays to employ, and practical aspects of assay performance, including assay design and pre-analytical variables.

Declaration of Interests

The BSH paid the expenses incurred during the writing of this guidance. None of the authors had conflicts of interest to declare. All authors have made a declaration of interests to the BSH and Task Force Chairs which may be viewed on request.