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. 2014;205:156-60.

Preservation of Information in Terminology Transcoding

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  • PMID: 25160165

Preservation of Information in Terminology Transcoding

Nicolas Griffon et al. Stud Health Technol Inform. .

Abstract

Linking interface terminologies (IT) to reference terminologies (RT) in flow of terminologies may allow health information system to be both usable and interoperable. Two French university hospitals worked independently on such a flow from the prescription of lab-test to the display of the corresponding results. The aim of this study was to evaluate the transmission of information in these two hospitals communication. An expert, supported by natural language processing tool, created the gold standard link between the 2 prescription ITs i.e. the terms that share the same meaning. A semantic pathway was defined to allow the mapping of one prescription IT to the other, through LOINC® and SNOMED®, the RT chosen by each hospital, respectively. The capacity of the semantic pathway to identify the correct links was computed. The expert found 218 links between the 2 prescription ITs (containing 580 and 374 terms that are linked to RT). The semantic pathway correctly identifies 96 of these links (44.0% [37.4-50.6]). The recall was not as good as expected, even though the semantic pathway was created in order to maximize it. Using different RT in different hospitals is not an efficient solution. The use of LOINC® seems to be preferable as a RT for prescription.

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