Welcome to the ISBT Blood Group Database

The official digital repository for blood group systems, antigens, and alleles, maintained by the Working Party Red Cell Immunogenetics and Blood Group Terminology of the International Society for Blood Transfusion (ISBT).

Welcome to the ISBT Blood Group Database, the authoritative source for blood group nomenclature maintained by the International Society of Blood Transfusion. This platform serves the global transfusion medicine community with comprehensive, standardized blood group information.

About

Learn about the official digital repository for ISBT blood group nomenclature, the development partnership and who to contact in case of questions.

Data

Find all allele tables and further information about each blood group system and its antigens.

Releases

Find the latest data updates.

Tutorials

Learn more about the use of reference sequences, blood group terminology, and how to make best use of this database.