Extracting Structured Medication Event Information from Discharge Summaries

  title={Extracting Structured Medication Event Information from Discharge Summaries},
  author={Sigfried Gold and No{\'e}mie Elhadad and Xinxin Zhu and James J. Cimino and George Hripcsak},
  journal={AMIA ... Annual Symposium proceedings. AMIA Symposium},
We present a method that extracts medication information from discharge summaries. The program relies on parsing rules written as a set of regular expressions and on a user-configurable drug lexicon. Our evaluation shows a precision of 94% and recall of 83% in the extraction of medication information. We use a broader definition of medication information than previous studies, including drug names appearing with and without dosage information, misspelled drug names, and contextual information. 
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