Assessing the Concordance Between LLM-Based ICD-10 Coding and a Drug Database for Antihypertensive Drug Contraindications: A Weighted Inter-Rater Agreement Study

CONCLUSION: When both sources identify the same contraindication, LLM-based coding shows substantial concordance with expert-curated ICD-10 assignments. However, low entity-level agreement highlights important differences in coverage and representation between sources.