A hierarchical approach to the automatic categorization of medical documents
Proceedings of the seventh international conference on Information and knowledge management
Biomedical Informatics: Computer Applications in Health Care and Biomedicine (Health Informatics)
Biomedical Informatics: Computer Applications in Health Care and Biomedicine (Health Informatics)
Flexible text segmentation with structured multilabel classification
HLT '05 Proceedings of the conference on Human Language Technology and Empirical Methods in Natural Language Processing
Clinical text classification under the Open and Closed Topic Assumptions
International Journal of Data Mining and Bioinformatics
A hierarchical approach to encoding medical concepts for clinical notes
HLT-SRWS '08 Proceedings of the 46th Annual Meeting of the Association for Computational Linguistics on Human Language Technologies: Student Research Workshop
lexically-triggered hidden Markov models for clinical document coding
HLT '11 Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies - Volume 1
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Code assignment is important for handling large amounts of electronic medical data in the modern hospital. However, only expert annotators with extensive training can assign codes. We present a system for the assignment of ICD-9-CM clinical codes to free text radiology reports. Our system assigns a code configuration, predicting one or more codes for each document. We combine three coding systems into a single learning system for higher accuracy. We compare our system on a real world medical dataset with both human annotators and other automated systems, achieving nearly the maximum score on the Computational Medicine Center's challenge.