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August 16, 2026Frontiers in Digital HealthOpen Access

Artificial intelligence for automated ICD-10 coding: a systematic review of multi-label text classification in clinical narratives

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Authors

KTKamonrat TangudomkitPrince of Songkla UniversitySCSawrawit ChairatPrince of Songkla UniversitySCSitthichok ChaichuleePrince of Songkla University

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Overview

Systematic review demonstrates that hybrid deep learning provides stable automated ICD-10 coding across clinical narratives, suggesting dataset structure heavily influences AI performance.

Key Points

  • Synthesize evidence on algorithms, datasets, evaluation metrics, and real-world implementation readiness for artificial intelligence systems designed to automate ICD-10 coding from clinical text.
  • Conducted a PRISMA-guided systematic review (OSF: https://osf.io/cegqk) searching 7 academic databases for studies published between January 1, 2020 and December 31, 2025.
  • Evaluated machine learning, deep learning, transformer, and large language model approaches across 24 eligible studies (extracted from 257 records) encompassing 296 experimental evaluations.
  • Hybrid deep learning was the most widely used primary approach and demonstrated the most stable performance under full-code evaluations, whereas large language models showed less consistent efficacy for structured multi-label classification.
  • F1-macro scores were consistently lower than F1-micro scores across studies reporting both metrics, and model performance varied directly based on the documents-per-label ratio.
  • Methodological quality varied widely across the included literature, with 7 studies assessed as high quality, 8 as moderate, and 9 constrained by technical or methodological limitations.

Cite This Study

Tangudomkit et al. (2026) studied this question.

synapsesocial.com/papers/6a81791ff2fb91fc834ac460https://doi.org/10.3389/fdgth.2026.1905379
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