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This paper is in the following e-collection/theme issue:

Clinical Informatics (2302) Public (e)Health, Digital Epidemiology and Public Health Informatics (2321) Natural Language Processing (1303) Adverse Drug Events Detection, Pharmacovigilance and Surveillance (274) Decision Support for Health Professionals (2263) mHealth for Screening (468) Substance Abuse (668) Pharmacovigilance (247) Machine Learning (3225)

Published on in Vol 28 (2026)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/97485, first published .
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Natural Language Processing Identification of Nonprescribed Fentanyl Use in Electronic Health Records: Algorithm Development and Validation Study

Natural Language Processing Identification of Nonprescribed Fentanyl Use in Electronic Health Records: Algorithm Development and Validation Study

Authors of this article:

Joshua Trujeque1 Author Orcid Image ;   Joseph A Simonetti2, 3 Author Orcid Image ;   Isai Ortiz4, 5, 6 Author Orcid Image ;   Nicholas E Ingraham7 Author Orcid Image ;   Nathan Mesfin7 Author Orcid Image ;   Jeremy Yeung8 Author Orcid Image ;   Rui Zhang9 Author Orcid Image ;   Lisa A Brenner10, 11, 12, 13 Author Orcid Image ;   R Adams Dudley7, 8, 14, 15 Author Orcid Image
Article Authors Cited by Tweetations Metrics

Joshua Trujeque   1 , MD ;   Joseph A Simonetti   2, 3 , MD, MPH ;   Isai Ortiz   4, 5, 6 , MD ;   Nicholas E Ingraham   7 , MD, MS ;   Nathan Mesfin   7 , MD ;   Jeremy Yeung   8 , MIDS ;   Rui Zhang   9 , PhD ;   Lisa A Brenner   10, 11, 12, 13 , PhD ;   R Adams Dudley   7, 8, 14, 15 , MD, MBA

1 Minneapolis Veterans Affairs Healthcare System, Center for Care Delivery and Outcomes Research, Minneapolis, MN, United States

2 Rocky Mountain Mental Illness Research, Education, and Clinical Center for Suicide Prevention, Rocky Mountain Regional VA Medical Center, Aurora, CO, United States

3 Injury and Violence Prevention Center, Colorado School of Public Health, University of Colorado Anschutz Medical Campus, Aurora, CO, United States

4 Center for Veterans Research and Education, Minneapolis, MN, United States

5 Northwell Health, New Hyde Park, NY, United States

6 Department of Psychiatry, Zucker Hillside Hospital, Glen Oaks, NY, United States

7 Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, University of Minnesota Medical School, Minneapolis, MN, United States

8 Institute for Health Informatics, University of Minnesota, Minneapolis, MN, United States

9 Department of Surgery, University of Minnesota, Minneapolis, MN, United States

10 Brain Health Coordinating Center, Rocky Mountain VA Regional Medical Center, Aurora, MN, United States

11 Department of Physical Medicine and Rehabilitation, University of Colorado Anschutz Medical Campus, Aurora, CO, United States

12 Department of Psychiatry, University of Colorado Anschutz Medical Campus, Aurora, CO, United States

13 Department of Neurology, University of Colorado Anschutz Medical Campus, Aurora, CO, United States

14 Center for Care Delivery and Outcomes Research, Minneapolis VA Health Care System, Minneapolis, MN, United States

15 School of Public Health, University of Minnesota, Minneapolis, MN, United States

Corresponding Author:

  • Joshua Trujeque, MD
  • Minneapolis Veterans Affairs Healthcare System, Center for Care Delivery and Outcomes Research
  • One Veterans Drive
  • Minneapolis, MN 55417
  • United States
  • Email: Joshua.trujeque@va.gov