Clinical Document Metadata Extraction: A Scoping Review

• URL: http://arxiv.org/abs/2601.09730v1
• Date: Sun, 28 Dec 2025 17:21:16 GMT
• Title: Clinical Document Metadata Extraction: A Scoping Review
• Authors: Kurt Miller, Qiuhao Lu, William Hersh, Kirk Roberts, Steven Bedrick, Andrew Wen, Hongfang Liu,
• Abstract summary: This scoping review aims to catalog research on clinical document metadata extraction.<n> Methods for extracting document metadata have progressed from rule-based and traditional machine learning.<n>The emergence of large language models has enabled broader exploration of generalizability across tasks and datasets.
• Score: 6.756965638374919
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Clinical document metadata, such as document type, structure, author role, medical specialty, and encounter setting, is essential for accurate interpretation of information captured in clinical documents. However, vast documentation heterogeneity and drift over time challenge harmonization of document metadata. Automated extraction methods have emerged to coalesce metadata from disparate practices into target schema. This scoping review aims to catalog research on clinical document metadata extraction, identify methodological trends and applications, and highlight gaps. We followed the PRISMA-ScR (Preferred Reporting Items for Systematic Reviews and Meta-Analyses Extension for Scoping Reviews) guidelines to identify articles that perform clinical document metadata extraction. We initially found and screened 266 articles published between January 2011 and August 2025, then comprehensively reviewed 67 we deemed relevant to our study. Among the articles included, 45 were methodological, 17 used document metadata as features in a downstream application, and 5 analyzed document metadata composition. We observe myriad purposes for methodological study and application types. Available labelled public data remains sparse except for structural section datasets. Methods for extracting document metadata have progressed from largely rule-based and traditional machine learning with ample feature engineering to transformer-based architectures with minimal feature engineering. The emergence of large language models has enabled broader exploration of generalizability across tasks and datasets, allowing the possibility of advanced clinical text processing systems. We anticipate that research will continue to expand into richer document metadata representations and integrate further into clinical applications and workflows.

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