Glossary NAT Acronym for nucleic acid testing, a required part of blood donor testing for HIV-1, Hepatitis C, Hepatitis B, and West Nile Virus detection. Back to Glossary List Transfusion News is sponsored by Liberal Transfusion Threshold of 9-10 g/dL for Patients with Myocardial Infarction Genetic Background of AnWj-Negative Blood Group Deciphered Donor-Specific Antibody Levels and Platelet Transfusion Response Among Refractory Patients Global Blood Supply Challenges Prevalence and Trends of Maternal RBC Alloimmunization in the U.S. Visit Transfusion News » Follows Facebook 14.6k Followers