Glossary DAT Abbreviation for “Direct Antiglobulin Test.” Sometimes people say it as if it is a word, but most blood bankers speak it letter by letter instead (“D-A-T”). Back to Glossary List Transfusion News is brought to you by Thromboelastometry and Clinical Guidance for Fibrinogen Infusions during Liver Transplantation New Draft FDA Guidance to Reduce the Risk of HIV Transfusion-Transmission Using Individual Risk-Based Questions Whole Blood and Survival in Adult Trauma Patients Plasmapheresis Associated with Reduced Mortality Among Patients with Severe COVID-19 COVID-19 Convalescent Plasma Improves Outcomes for Cancer Patients Visit Transfusion News » Follows Facebook 13.4k Followers Twitter 6.6k Followers