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Stud Health Technol Inform. 2010;160:1010-4.

Internal structure of a disease name and its application for ICD coding.

Studies in health technology and informatics

Emiko Yamada, Eiji Aramaki, Takeshi Imai, Kazuhiko Ohe

Affiliations

  1. Department of Medical Informatics, Graduate School of Medicine, The University of Tokyo, Japan. [email protected]

PMID: 20841836

Abstract

ICD-coding is a complex and difficult task. Coding results vary a great deal depending on each coder's ability. Although the Japanese Standard Disease-Code Master facilitates the coding tasks, it also engenders post-coordination problems derived from combinations of basic diseases (with ICD code) and modifiers. Post-coordination sometimes alters the original ICD code dramatically. To solve this problem, this paper presents a proposal for using internal structures of disease names to correct the ICD code. First, we built an internal structure analyzer, which achieved high (83.7%) accuracy. Results demonstrated that the analyzed output is helpful for precise ICD-coding tasks.

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