International Thoracic Organ Transplant (TTX) Registry Enrollment Policy

All institutions and countries performing heart, heart-lung, and/or lung transplantation are invited to submit data to the ISHLT TTX Registry through a data sharing arrangement with the regional/national Data Collectives or Registry Partners. Data submission to the ISHLT TTX Registry is currently done only through electronic uploads using the standard templates provided by UNOS.

If you are interested in participating in the ISHLT TTX Registry, you can send an email to with the name of your organization and contact information. UNOS will email the instructions and necessary documents to complete for enrolling in the TTX Registry.