Open Concept Lab is an open-source terminology management system
OCL provides real-time electronic access to terminological resources and straightforward integration with independent software platforms.
OCL Online helps you to collaboratively manage, publish, and use terminology in the cloud alongside the global community.
Blog
A New Model for National Terminology Services: OCL and HL7 Brasil Announce Partnership
We're proud to announce a new partnership with HL7 Brasil to advance open, standards-based semantic interoperability in Brazil — establishing a national-scale model for terminology governance as Digital Public Infrastructure for Health. Authors: Jussara Macedo Pinho Rötzsch and Jonathan Payne HL7...
First year building The Bridge between clinical practice, software, and terminologies (OpenMRS + OCL + CIEL)
A globalized world demands ways to converge effort around a shared purpose. It makes me ask: what if we had a truly collaborative place to organize the health concepts the world relies on? What if we could speak a single clinical “code” and still be understood across systems, countries, and...
Introducing the OCL Squad Model
Hi everyone! I’m excited to announce that we are rolling out the OCL Squad Model—a new way for contributors to collaborate, build, and innovate together. Inspired by the OpenMRS squad approach, this model organizes small, self-driven teams that take ownership of key projects, making it easier to...
Join the OCL Mailing List
OCL Features
Open Source
Cloud Based
Community Driven
Standards Based
LMIC Focused
Featured Projects
Ethiopia NHDD
The National Health Data Dictionary (NHDD) captures the definitions of data elements, indicators, and the relationships between these elements to improve the MOH’s ability to manage data recording and reporting guidelines and to harmonize data across many stakeholders.
Columbia International eHealth Laboratory
The Columbia International eHealth Laboratory (CIEL) dictionary is a shared open concept dictionary.
PEPFAR DATIM
The Metadata Sharing Platform (MSP) was launched in 2020 to provide users within the U.S. President’s Emergency Plan for AIDS Relief (PEPFAR) data exchange and interoperability community access to metadata for indicators defined in the Monitoring, Evaluation, and Reporting (MER) Indicator Reference Guide.
