News
March 25, 2025

Nearly 700 registrants represent 57 countries and production release of LOINC® Ontology at spring webinar

word cloud graphic of LOINC terminology

Regenstrief Institute’s Health Data Standards (HDS) team, in collaboration with SNOMED International, hosted 700 registrants representing 57 countries at the spring stake holder webinar on March 25, 2025.  

During the webinar, the HDS team presented the release of LOINC 2.79, which includes more than 3,000 new and edited concepts. Attendees engaged directly with experts from Regenstrief and SNOMED International through both live and pre-submitted Q&A, providing a forum for in-depth discussion of new and updated LOINC concepts. 

Participants at the webinar hail from six continents, with North America accounting for approximately 60% of attendees and Europe another 30%. The United States represents nearly half of all registrants, followed by Canada (7%) and Germany (6%). 

The webinar also offered attendees a comprehensive overview of the first production release of the LOINC® Ontology: A LOINC and SNOMED CT Interoperability Solution and its role in enhancing semantic interoperability between LOINC and SNOMED CT. In addition to showcasing this major advancement, the session also included: 

  • A review of the latest LOINC terminology release 
  • Strategic planning updates from the HDS team 
  • A briefing on committee and community work 
  • Highlights of recent accomplishments and current projects by the HDS team 

View the webinar here:  https://loinc.org/news/free-webinar-to-introduce-the-loinc-ontology-version-1-0/. 

About LOINC® from Regenstrief Institute  
LOINC® was created in 1994 at Regenstrief Institute to facilitate interoperability in healthcare and is administered by Regenstrief Institute Health Data Standards. There was a growing trend to send clinical data electronically between healthcare entities, a practice that has now become ubiquitous. Today, it contains more than 104,000 concepts for everything from an albumin level to a zygomatic arch X-ray report. For each concept, LOINC contains many other rich details, such as synonyms, units of measure and carefully crafted descriptions.  

Related News

Rachel Patzer, PhD, MPH, Adam Wilk, PhD, and Kelsey Drewry, PhD, MA

Research letter calls for careful consideration of design and consequences of health disparity incentives in future value-based payment models

INDIANAPOLIS – A research letter published in the New England Journal of Medicine calls for careful consideration of the

Regenstrief Institute conference highlights innovations in public health data modernization

Regenstrief Institute conference highlights innovations in public health data modernization

Regenstrief Institute hosted a one-day conference focused on advancing public health data modernization, drawing professionals from across the public

Rachel Patzer, PhD, MPH

Supply, demand, and a growing US kidney transplant waiting list

Published in JAMA Network Open. Here is a link to the article.  Regenstrief Institute author: Rachel Patzer, PhD, MPH