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Published on in Vol 28 (2026)

This is a member publication of

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/89071, first published .
Veteran woman in a clinic, digital network overlay, Iwo Jima memorial

Detecting Uncoded Self-Harm in Veterans’ Electronic Health Records Using Positive and Unlabeled Learning: Retrospective Cohort Study

Detecting Uncoded Self-Harm in Veterans’ Electronic Health Records Using Positive and Unlabeled Learning: Retrospective Cohort Study

Praveen Kumar   1 , PhD ;   Alexandria D Viszolay   1 , BS ;   Rajesh Upadhayaya   1 , BS ;   Fariha Moomtaheen   1 , MS ;   Donald R Greer   2 , BBA ;   Cristian G Bologa   1, 3 , PhD ;   Kristan A Schneider   1 , PhD ;   Sharon E Davis   4, 5 , PhD ;   Michael E Matheny   4, 5 , MD, MS, MPH ;   David van der Goes   3, 6 , PhD ;   Gerardo Villarreal   3, 7 , MD ;   Yiliang Zhu   1 , PhD ;   Mauricio Tohen   7 , MBA, MD, DrPH ;   Scott A Malec   1, 3 , PhD ;   Jeremy J Yang   1, 3 , PhD ;   Elliot M Fielstein   4, 8 , PhD ;   Christophe Gerard Lambert   1, 3 , PhD

1 Department of Internal Medicine, School of Medicine, University of New Mexico Health Sciences Center, Albuquerque, NM, United States

2 Greer Black Company, Bozeman, MT, United States

3 Raymond G. Murphy VA Medical Center, Albuquerque, NM, United States

4 Department of Biomedical Informatics, Vanderbilt University Medical Center, Nashville, TN, United States

5 VA Tennessee Valley Healthcare System, Nashville, TN, United States

6 Department of Economics, University of New Mexico, Albuquerque, NM, United States

7 Department of Psychiatry and Behavioral Sciences, School of Medicine, University of New Mexico Health Sciences Center, Albuquerque, NM, United States

8 Office of Mental Health, United States Department of Veterans Affairs, Washington, DC, United States

Corresponding Author:

  • Christophe Gerard Lambert, PhD
  • Department of Internal Medicine
  • School of Medicine, University of New Mexico Health Sciences Center
  • 1 University of New Mexico, MSC10 5550
  • Albuquerque, NM 87131
  • United States
  • Phone: 1 505-272-9709
  • Email: cglambert@salud.unm.edu