GREENWICH, Conn., Aug. 10, 2026 /PRNewswire/ -- More than 200 representatives from over 80 transplant centers joined the National Kidney Registry and National Liver Registry (NKR/NLR) for their second webinar showcasing their solution to the new Organ Procurement and Transplantation Network (OPTN) 7-day serology testing window.

"Our streamlined serology service allows transplant centers to comply with the new OPTN 7-day window. This service went live today, one week prior to the OPTN's August 17^th deadline," said CEO Garet Hil.

The webinar demonstrated how centers can use the NKR/NLR portals to order, schedule, and track serology testing within the mandated 7-day window and included:

• The precise tracking system that allows centers to confirm tests are completed and processed on time
• How the NKR/NLR will solve logistical issues to minimize the risk of cancelled surgeries
• How tracking for serology tests are displayed to ensure OPTN audit compliance

This service is available to non-member transplant centers as well all Member Centers. Any center seeking assistance with meeting the new 7-day timeline is encouraged to contact the NKR/NLR.

About the National Kidney Registry

The National Kidney Registry (www.kidneyregistry.com) is an organization whose mission is to save and improve the lives of people facing kidney failure by increasing the quality, speed, and number of living donor transplants while protecting all living donors.

About the National Liver Registry

The National Liver Registry (www.liverregistry.com) is an organization whose mission is to save and improve the lives of people facing liver failure by increasing the quality, speed, and number of living donor transplants while protecting all living donors.

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SOURCE National Kidney Registry