How to apply
Any transplant hospital, organ procurement organization, or histocompatibility lab wishing to participate in the OPTN must be a member. In order to be a member, you have to apply! There can be a lot to the application process, but fortunately you have a team of individuals dedicated to supporting you.
The information provided here should help you begin the application process, but please note that anywhere along the way you can contact us for assistance.

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Categories of membership
Categories of membership are described in the Bylaws, Article I.
Institutional
- Transplant hospitals
- Organ procurement organizations
- Histocompatibility labs
Non-institutional
- Medical/scientific members
- Public organization members
- Business members
- Individual members
Application resources
How do I document individual surgeon's or physician’s experience?
You may use the following log guidance document and sample logs when documenting an individual surgeon or physician’s experience to demonstrate compliance with OPTN Bylaw Requirements.
- Log Guidance Document (Excel spreadsheet) (updated 5/17/2022)
- Surgeon Log Template (Excel spreadsheet) (updated 5/17/2022)
- Physician Log Template (Excel spreadsheet) (updated 5/17/2022)
What guidance or samples are available to help?
Key personnel change
Guidance to Starting Key Personnel Change (PDF) (updated 5/17/2022)
Letter of Commitment and Letter of Reference
You may use the following Letter of Commitment/Reference guidance documents and samples when preparing and gathering the required documentation to meet OPTN bylaw requirements.
- Letters Guide (PDF) (updated 5/17/2022)
- Letter of Reference Template (Word file) (updated 5/17/2022)
- Letter of Commitment Template (Word file) (updated 5/17/2022)
Lab agreement
- Lab Agreement Guidance Document (PDF) (updated 5/18/2022)
How can I stay prepared for future key personnel changes?
- Stay familiar with OPTN bylaw requirements
- Ensure that your program has an executable succession plan in place. Considering the question – “If your current primary left tomorrow, do you have someone who meets bylaw requirements that can fill their role?”
- Ensure you are aware of the bylaw notification requirements
- Keep logs, boards, and other credentialing up to date for additional clinicians
Reference documentation
The documents below can provide you with a reference as you begin exploring what is needed to complete a membership application. Transplant hospitals, OPOs, and histocompatibility lab applications should be completed within Member Community.
These applications address membership both in UNOS and in the national OPTN, which UNOS manages under federal contract. Refer to the OPTN Bylaws for further clarification regarding requirement specifics.
Transplant hospital or program
The documents below can provide you with a reference as you begin exploring what is needed to complete a membership application. Applications should be completed within Member Community.
For new and existing transplant hospitals
1. These reference applications show what is needed to:
- start transplant programs
- add or modify key transplant personnel
- Transplant hospitals
- Heart transplant programs
- Intestine transplant programs
- Kidney transplant programs
- Liver transplant programs
- Lung transplant programs
- Pancreas transplant programs
- VCA transplant programs
- For questions regarding Islet program requirements, please contact Membership at (833) 577-9469 or [email protected].
2. A certificate of assessment and program coverage plan must accompany any new transplant program application or key personnel change.
Organ procurement organization
The document below can provide you with a reference as you begin exploring what is needed to complete a membership application. Applications should be completed within Member Community.
For new and existing organ procurement organizations (OPOs). This reference application shows what is needed to add or modify key OPO personnel.
Histocompatibility laboratory
The document below can provide you with a reference as you begin exploring what is needed to complete a membership application. Applications should be completed within Member Community.
For new and existing histocompatibility laboratories. This reference application shows what is needed to add or modify key lab personnel.
Update OPTN representative
OPTN representative change forms should be completed within Member Community.
Use this document for reference only: OPTN Representative Form
Non-institutional member resources
Non-institutional members—medical/scientific, public organization, business and individual members—may use these PDF applications to apply for new or renewing membership. To become a new member, please first contact Membership.
Medical/scientific organization
- Medical/Scientific Membership Application (updated 01/21/2021)
Public organization
- Public Organization Membership Application (updated 01/21/2021)
Business
- Business Membership Application (updated 01/21/2021)
Individual
- Individual Membership Application (updated 01/21/2021)
Update OPTN representative
For non-institutional members, please email the completed OPTN representative form to Membership.