The range of supplementary tests available for diagnosing malaria has continued to expand. Despite this, carefully examined thick and thin blood films remain an essential part of the process. This guideline updates the previous 2013 British Society for Haematology Guideline for the Laboratory Diagnosis of Malaria.

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.