Test Includes
Buprenorphine; Fentanyl; Opiates; Oxycodones; Methadone; Meperidine; Propoxyphene; Tramadol
Expected Turnaround Time
5 days
Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.
Related Information
In-house validated method
Specimen Requirements
Specimen
Serum
Volume
7 mL
Minimum Volume
3 mL
Container
Red-top (no additive) tube. Gel-barrier tubes are not recommended.
Collection
Transfer separated serum to a plastic transport tube.
Storage Instructions
Submission/transport (<3 days): Refrigerate. For storage beyond three days, specimen should be frozen.
Test Details
Use
Detect use of opiate/opioid class drugs
Methodology
Initial presumptive testing by immunoassay at the following testing thresholds: buprenorphine, 1.0 ng/mL; fentanyl, 1.0 ng/mL; meperidine, 100 ng/mL; methadone, 25 ng/mL; opiates, 5 ng/mL; oxycodones, 5 ng/mL; propoxyphene, 50 ng/mL; tramadol, 10 ng/mL; presumptive positives confirmed to limit of quantitation by definitive chromatography mass spectrometry (GC/MS or LC/MS-MS)