Abstract
This paper evaluates qualitatively the use of the MedLEE natural language processing system to code medical narratives directly into the SNOMED nomenclature, while retaining the MedLEE information model data structure. A gold standard is produced from narrative text manually coded in SNOMED. An automated parsing and SNOMED-coding of the narrative text is then automatically generated by MedLEE. By comparing MedLEE s output to that of the Gold Standard, the capacities of SNOMED and MedLEE to represent the clinical information are subsequently evaluated leading to qualitative observations on their respective strengths and constraints. In this study, MedLEE did code to SNOMED and captures the codes in a sub-structure amenable to interoperability with the description logic of SNOMED RT, showing an approach that augments and formalizes SNOMED s compositional representation methods to accurately capture information from clinical narratives.
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- Chute C. G., Cohn S. P., Campbell K. E., Oliver D. E., Campbell J. R. The content coverage of clinical classifications. For The Computer-Based Patient Record Institute's Work Group on Codes & Structures. J Am Med Inform Assoc. 1996 May-Jun;3(3):224–233. doi: 10.1136/jamia.1996.96310636. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Friedman C. A broad-coverage natural language processing system. Proc AMIA Symp. 2000:270–274. [PMC free article] [PubMed] [Google Scholar]
- Friedman C., Alderson P. O., Austin J. H., Cimino J. J., Johnson S. B. A general natural-language text processor for clinical radiology. J Am Med Inform Assoc. 1994 Mar-Apr;1(2):161–174. doi: 10.1136/jamia.1994.95236146. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Lussier Y. A., Bourque M. Comparing SNOMED and ICPC retrieval accuracies using relational database models. Proc AMIA Annu Fall Symp. 1997:514–518. [PMC free article] [PubMed] [Google Scholar]
- Moore G. W., Berman J. J. Performance analysis of manual and automated systemized nomenclature of medicine (SNOMED) coding. Am J Clin Pathol. 1994 Mar;101(3):253–256. doi: 10.1093/ajcp/101.3.253. [DOI] [PubMed] [Google Scholar]
- Spackman K. A., Campbell K. E., Côté R. A. SNOMED RT: a reference terminology for health care. Proc AMIA Annu Fall Symp. 1997:640–644. [PMC free article] [PubMed] [Google Scholar]
- Wingert F. Medical linguistics: automated indexing into SNOMED. Crit Rev Med Inform. 1988;1(4):333–403. [PubMed] [Google Scholar]