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Methods of information in medicine

Quality of the ICD-11 Beta Draft from the German Perspective: Evaluation Based on the Alphabet of ICD-10-GM 2017.


PMID 30248707

Abstract

The German Association for Medical Informatics, Biometry and Epidemiology implemented a field test for the ICD-11 Beta Draft. Aim was to analyze completeness and appropriateness of the ICD-11 Beta Draft in its entire breadth. Starting point was the synonym thesaurus ("Alphabet") of the German modification of ICD-10. The Alphabet included a list of diagnoses terms that supports the coding of diagnoses with ICD-10. A sample of 60,328 diagnosis terms was drawn to be mapped to the ICD-11 Beta Draft. A subsample of 13,975 diagnosis terms was prepared for assessing reliability. First, the coders had to assign a diagnosis term from the sample to an appropriate English one. This included the automatic selection of the respective code from the ICD-11 Beta Draft. Secondly, the coders had to answer questions regarding completeness, appropriateness, and other issues. Finally, 49,184 results from 36 coders were available for the analysis. Problems with completeness were indicated in 4.7% of the results, problems with appropriateness in 5.3%. On the level of chapters, Cohen's kappa reached grade "fair" at a maximum. The coders agreed in 31.4% of the terms. Problems with the ICD-11 Beta Draft appeared to be moderate. Completeness was high, reliability was low as it is known for ICD-10. Concerns with the structure of the ICD-11 Beta Draft were noted, e. g. for neoplasms. A post processing of the ICD-11 Beta Draft seems to be sufficient with regard to the content. Methodologically, a thorough review of the structure might be advisable.