DistilBERT fine-tuned to classify patient queries into 9 clinical intent categories for NHS triage routing. Part of a project demonstrating how a model that scored 100% on a standard train/test split turned out to be only 18% reliable on independent, realistic patient phrasing — and what it took (LIME diagnosis + targeted LLM-generated augmentation across 12 iterations) to reach 92.3% on a leakage-checked stress test.

Full project, methodology, and demo: https://github.com/umarkhan0206/medical-intent-classifier

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This is a routing aid, not a diagnostic tool, and should not be used for clinical decision-making.