Guideline for laboratory diagnosis and monitoring of von Willebrand disease: A joint guideline from the United Kingdom Haemophilia Centre Doctors' Organisation and the British Society for Haematology 1714 | Br J Haematol. 2024;20 4:1714 –1731.wileyonlinelibrary.com/journal/bjhGUIDELINEBSH GuidelineGuideline for laboratory diagnosis and monitoring of von Willebrand disease: A joint guideline from Hallamshire Hospital, Sheffield, UK4Department of Haematology & the National Coagulation Centre, St. James's Hospital, Dublin, Ireland5Department of Haematology, Glasgow Royal Infirmary, Glasgow, UK6Haemophilia Unit, University Hospitals, Birmingham, UK7Katharine Dormandy Haemophilia Centre, Royal Free Hospital, London, UK8North West Genomic Laboratory Hub, Manchester University NHS Foundation Trust