Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/16069, first published .
Development and Performance of a Web-Based Tool to Adjust Urine Toxicology Testing Frequency: Retrospective Study

Development and Performance of a Web-Based Tool to Adjust Urine Toxicology Testing Frequency: Retrospective Study

Development and Performance of a Web-Based Tool to Adjust Urine Toxicology Testing Frequency: Retrospective Study

Kenneth B Chapman 1, 2, MD;  Martijn M Pas 1, 3, BSc;  Diana Abrar 1, 3, BSc;  Wesley Day 1, BSc;  Kris C Vissers 4, MD, PhD;  Noud van Helmond 1, 5, MD

1 The Spine & Pain Institute of New York , New York, NY, US

2 Department of Anesthesiology, New York University Langone Medical Center , New York, NY, US

3 Radboud University Medical College , Nijmegen , NL

4 Department of Anesthesiology, Pain and Palliative Medicine, Radboud University Medical Center , Nijmegen , NL

5 Department of Anesthesiology, Cooper Medical School of Rowan University, Cooper University Health Care, Camden, NJ, US

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