Contact Information

We welcome feedback, suggestions for improvements, and contributions from the international transfusion medicine community. Your input helps us continuously improve the database to better serve the global blood banking community.

If you have new blood group data, allele information, or updates to submit to the database, please contact the Assignee of the respective blood group system. Assignees are listed in each system page, if you are unsure please reach out to database@isbtweb.org. All submissions are reviewed by expert committees before inclusion in the database.

Before submission, please read the criteria for the establishment of new blood group systems and assignment of a new blood group antigens here.