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 Cryopreserved vs. Standard Platelets for Surgical Bleeding Phosphatidylserine and Phosphatidylethanolamine Levels on RBCs Important for Transfusion Outcomes Blood Donation and Improved Cardiometabolic Health Mitochondrial DNA Acts as a “First Hit” for Antibody-Mediated TRALI Liberal or Restrictive Transfusion Thresholds for Surgery Patients with High Cardiac Risk Visit Transfusion News » Follows Facebook 0 Followers