Glossary UDHQ Abbreviation for “Uniform Donor History Questionnaire,” which is itself actually an old term for what is now known simply as the Donor History Questionnaire. Back to Glossary List Ferritin-Guided Donation Policies Decrease Iron Deficiency RBC Transfusions to Treat Acute Heavy Menstrual Bleeding RBC Transfusion Outcomes Similar in ICU Patients with and Without Cardiovascular Disease Cryopreserved vs. Standard Platelets for Surgical Bleeding Phosphatidylserine and Phosphatidylethanolamine Levels on RBCs Important for Transfusion Outcomes Visit Transfusion News » Follows Facebook 14.7k Followers