|Clear top tube
Urine (Random)-BD Vacutainer®, no additive yellow top
5 mL random urine
24 hrs/day, 7 days a week, including holidays.
1 hour (upon receipt in laboratory)
Screen includes opiates only. For full drug of abuse-urine
see "Drugs of Abuse Screen".
If confirmation is needed for opiates, call the Laboratory at 356-
Allow up to seven days for confirmatory results. Confirmation is
at an additional charge.
Approximate cut-off concentrations (ng/mL)
Buprenorphine No cross-reactivity
6-Acetylmorphine (heroin metabolite) 386
Fentanyl No cross-reactivity
Meperidine > 100,000
Methadone No cross-reactivity
Oxycodone* > 75,000
*Therapeutic use of oxycodone in the absence of any other opiates is
unlikely to result in a positive opiates screen.
Belson MG, Simon HK, Sullivan K, Geller RJ. The Utility of
Analysis in Children with Suspected Ingestion. Pediatr Emerg Care
Bast RP, Helmer SD, Henderson SR, Rogers MA, Shapiro WM, Smith RS.
Limited Utility of Routine Drug Screening in Trauma Patients. South
Med J 2000;93:397-399.
Hammett-Stabler CA, Pesce AJ, Cannon DJ. Urine Drug Screening in the
Medical Setting. Clinica Chimica Acta 2002;315:125-135.
Schiller MJ, Shumway M, Batki SL. Utility of Routine Drug Screening
a Psychiatric Emergency Setting. Psychiatric Services 2000;51:474-478.
Sugarman JM, Rodgers GC, Paul RI. Utility of Toxicology Screening in
Pediatric Emergency Department. Pediatric Emergency Care. Pediatric
Emergency Care 1997;13(3):194-197.
There is the possibility that other substances and/or factors may
interfere with the test and cause erroneous results (e.g., technical
procedural errors). Call the lab at 319-356-3527 for additional
Assay is based on the kinetic interaction of microparticles in a
solution (KIMS) as measured by changes in light transmission.