Is a negative urine drug screen truly negative?

J Clin Anesth. 2016 May:30:1. doi: 10.1016/j.jclinane.2015.12.007. Epub 2016 Feb 15.
No abstract available

Publication types

  • Case Reports
  • Letter

MeSH terms

  • Adult
  • Analgesics, Opioid / urine*
  • Humans
  • Male
  • Oxycodone / urine*
  • Substance Abuse Detection / methods*
  • Urinalysis / methods

Substances

  • Analgesics, Opioid
  • Oxycodone