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        <title>PLM-ICD: Automatic ICD Coding with Pretrained Language Models</title>
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        <namePart type="given">Chao-Wei</namePart>
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            <title>Proceedings of the 4th Clinical Natural Language Processing Workshop</title>
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    <abstract>Automatically classifying electronic health records (EHRs) into diagnostic codes has been challenging to the NLP community. State-of-the-art methods treated this problem as a multi-label classification problem and proposed various architectures to model this problem. However, these systems did not leverage the superb performance of pretrained language models, which achieved superb performance on natural language understanding tasks. Prior work has shown that pretrained language models underperformed on this task with the regular fine-tuning scheme. Therefore, this paper aims at analyzing the causes of the underperformance and developing a framework for automatic ICD coding with pretrained language models. We spotted three main issues through the experiments: 1) large label space, 2) long input sequences, and 3) domain mismatch between pretraining and fine-tuning. We propose PLM-ICD, a framework that tackles the challenges with various strategies. The experimental results show that our proposed framework can overcome the challenges and achieves state-of-the-art performance in terms of multiple metrics on the benchmark MIMIC data. Our source code is available at https://github.com/MiuLab/PLM-ICD.</abstract>
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    <identifier type="doi">10.18653/v1/2022.clinicalnlp-1.2</identifier>
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%0 Conference Proceedings
%T PLM-ICD: Automatic ICD Coding with Pretrained Language Models
%A Huang, Chao-Wei
%A Tsai, Shang-Chi
%A Chen, Yun-Nung
%Y Naumann, Tristan
%Y Bethard, Steven
%Y Roberts, Kirk
%Y Rumshisky, Anna
%S Proceedings of the 4th Clinical Natural Language Processing Workshop
%D 2022
%8 July
%I Association for Computational Linguistics
%C Seattle, WA
%F huang-etal-2022-plm
%X Automatically classifying electronic health records (EHRs) into diagnostic codes has been challenging to the NLP community. State-of-the-art methods treated this problem as a multi-label classification problem and proposed various architectures to model this problem. However, these systems did not leverage the superb performance of pretrained language models, which achieved superb performance on natural language understanding tasks. Prior work has shown that pretrained language models underperformed on this task with the regular fine-tuning scheme. Therefore, this paper aims at analyzing the causes of the underperformance and developing a framework for automatic ICD coding with pretrained language models. We spotted three main issues through the experiments: 1) large label space, 2) long input sequences, and 3) domain mismatch between pretraining and fine-tuning. We propose PLM-ICD, a framework that tackles the challenges with various strategies. The experimental results show that our proposed framework can overcome the challenges and achieves state-of-the-art performance in terms of multiple metrics on the benchmark MIMIC data. Our source code is available at https://github.com/MiuLab/PLM-ICD.
%R 10.18653/v1/2022.clinicalnlp-1.2
%U https://aclanthology.org/2022.clinicalnlp-1.2
%U https://doi.org/10.18653/v1/2022.clinicalnlp-1.2
%P 10-20

Markdown (Informal)

[PLM-ICD: Automatic ICD Coding with Pretrained Language Models](https://aclanthology.org/2022.clinicalnlp-1.2) (Huang et al., ClinicalNLP 2022)

• PLM-ICD: Automatic ICD Coding with Pretrained Language Models (Huang et al., ClinicalNLP 2022)

ACL

• Chao-Wei Huang, Shang-Chi Tsai, and Yun-Nung Chen. 2022. PLM-ICD: Automatic ICD Coding with Pretrained Language Models. In Proceedings of the 4th Clinical Natural Language Processing Workshop, pages 10–20, Seattle, WA. Association for Computational Linguistics.