It's time to phase out "serologic weak D phenotype" and resolve D types with RHD genotyping including weak D type 4

Affiliations

• ¹ Department of Pathology and Laboratory Medicine, MedStar Georgetown University Hospital, Washington, DC, USA.
• ² Department of Transfusion Medicine, NIH Clinical Center, National Institutes of Health, Bethesda, Maryland, USA.
• ³ Diagnostic Laboratories, Versiti, Milwaukee, Wisconsin, USA.
• ⁴ Department of Obstetrics and Gynecology, MedStar Georgetown University Hospital, Washington, DC, USA.
• ⁵ Clinical Education, Versiti, Milwaukee, Wisconsin, USA.
• ⁶ National Molecular Laboratory, American Red Cross Biomedical Services, Philadelphia, Pennsylvania, USA.
• ⁷ Laboratory of Immunohematology and Genomics, New York Blood Center Enterprises, New York, New York, USA.
• ⁸ Mississippi Valley Regional Blood Center, Davenport, Iowa, USA.
• ⁹ Children's National Medical Center, Washington, DC, USA.
• ¹⁰ Vitalant, Scottsdale, Arizona, USA.
• ¹¹ Defense Health Agency, Armed Services Blood Program Office, Falls Church, Virginia, USA.