RESEARCHarXiv CS.CL·4/24/2026
Serialisation Strategy Matters: How FHIR Data Format Affects LLM Medication Reconciliation
This study systematically compares four FHIR data serialisation strategies for LLM-assisted medication reconciliation, showing a significant impact on performance for smaller models. Clinical Narrative outperformed Raw JSON for models up to 8B parameters, but this advantage reversed for the 70B model.
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