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Notes From the Field: Testing for Nonprescribed Fentanyl and Percentage of Positive Test Results Among Patients with Opioid Use Disorder — United States, 2019–2020

Notes From the Field: Testing for Nonprescribed Fentanyl and Percentage of Positive Test Results Among Patients with Opioid Use Disorder — United States, 2019–2020

Authors: Niles JK, Gudin J, Vivolo-Kantor AM, Gladden RM, Mustaquim D, Seth P, Kaufman HW

Citation: MMWR Morb Mortal Wkly Rep. 2021 Nov 26;70(47):1649-1651. doi: 10.15585/mmwr.mm7047a4.

Specialties: Toxicology, Prescription drug monitoring