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DTS 4.6.1

DTS 4.6.1


Apelon Distributed Terminology System (DTS) is a high-quality open source solution for the acquisition, management, and practical deployment of standardized terminologies as well as the creation and management of local terminologies and ontologies.  As an open source solution, DTSprovides significant cost, integration, and adoption advantages compared to proprietary solutions.  The DTS development team is proud to announce the release of DTS version 4.6.1!

In addition to a variety of bug fixes specifically related to the DTS FHIR Terminology Services, DTS 4.6.1 now also boasts up to 7x faster search performance for FHIR search queries. DTS 4.6.1 also includes enhanced DTS Editor searching functionality and filtering, as well as updates to the DTS API.


DTS 4.6.1 continues to include updated support for HL7's FHIR Terminology Service, compliant with STU v3.0.1. With Apelon's incorporation of these features, users and organizations can continue to leverage the FHIR Standard in their own Terminology applications. For a comprehensive look at all of DTS's FHIR implementations, capabilities, and support, refer to the PDFs available in our Documentation Center.

More information regarding the new features, performance enhancements and other updates to DTS can be found in our Release Notes documentation and our FAQ.

Experience firsthand the new and improved features of DTS 4.6.1 and download your copy today!

For more information about Apelon’s Products and Services please visit our corporate site at or send email to



We are a privately held international software and informatics company focusing on data standardization and interoperability. Apelon’s software and professional services help leading healthcare enterprises, HIT vendors and integrators, life sciences organizations and government agencies better manage standard terminologies and transition local data to these standards. Our solutions enable semantic interoperability, consistent data analysis, and standardized reporting of health information to improve the quality, comparability, and accessibility of clinical data.

What Our Clients Say

"Last year, when we went looking for help with our SNOMED CT implementation, we did a thorough search both here and internationally, but we found no other company that could come close to Apelon's abilities and extensive track record." 

John Burns, Senior VP
Canada Health Infoway
Canadian Healthcare Technology
April 2012

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