Limitations of Urine Drug Screens and the Role of Quantitative Testing

Show Notes

Special Thanks To:

Dr. Philip DiSalvo, MD

Ronald O. Perelman Department of Emergency Medicine at NYU Langone Health, NYC Health + Hospitals/ Bellevue

New York City Poison Control Center

References:

Christian MR, et al. Do rapid comprehensive urine drug screens change clinical management in children? Clin Toxicol (Phila). 2017;57:977-980.

Grunbaum AM, Rainey PM (2019). Chapter 7: Laboratory Principles. In Goldfrank’s toxicologic emergencies. New York, NY: McGraw-Hill Education.

Moeller K, Kissack J, Atayee R, Lee K.  Clinical Interpretation of Urine Drug Tests: What Clinicians Need to Know About Urine Drug Screens.  Mayo Clinic Proceedings Review.  Volume 92, Issue 5, p774-796, May 1, 2017.  https://www.mayoclinicproceedings.org/article/S0025-6196(16)30825-4/fulltext

Table 2: Approximate Drug Detection Time in the Urine

Table 4: Summary of Agents Contributing to Results by Immunoassay