Linking LOINC and SNOMED CT: A Cooperative Approach to Enhance Each Terminology and Facilitate Co-usage.

A cooperative agreement between the owners of SNOMED CT and LOINC was signed in 2013. Here we describe plans for and benefits of linking the two terminologies, progress thus far, and challenges faced during the initial project phase. Keywords—LOINC, SNOMED CT, ontology, terminology, Meaningful Use