Technology is at the core of everything we do at United Network for Organ Sharing. For more than three decades, we have developed proprietary, secure systems to place organs efficiently and collect essential data to improve the organ transplantation field.

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UNOS technology

Technology for organ transplantation

UNOS developed the online database system, called UNetSM, to collect, store, analyze and publish all Organ Procurement and Transplantation Network data that pertains to the patient waitlist, organ matching, and transplants performed.

This system contains data regarding every organ donation and transplant event occurring in the United States since Oct. 1, 1987. Transplant professionals use it to register transplant candidates on the national waitlist, match them with donated organs, and enter vital medical data on candidates, donors and transplant recipients.


UNet is the electronic platform designed, built, continuously updated and maintained by UNOS over the course of 30 years for fulfilling requirements of the OPTN contract. UNet is a centralized computer network that links all 57 organ procurement organizations, 254 transplant hospitals and 150 histocompatibility labs. UNOS APIs can be integrated into technology systems developed by member institutions and technology providers to seamlessly exchange data with UNet applications.


The TransNet mobile application automates the organ packaging and labeling process and ensures that donated organs are matched correctly and efficiently with the identified recipient.

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