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 New Guidelines for Platelet Transfusion Recommend Restrictive Strategies Directed Blood Donations Should be Limited Babesia Infection Reduces Red Cell Deformability New Erythropoietin Gene Variants Linked to Hereditary Erythrocytosis Multifaceted Threats to the Blood Supply from Climate Change Visit Transfusion News » Follows Facebook 14.7k Followers