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Designer Opioids, Blood
Test Code11396
CPT Codes
80354, 80364<br>Limited Access Code
Preferred Specimen
2 mL whole blood collected in a potassium oxalate or sodium fluoride (gray-top) tube
Minimum Volume
0.7 mL
Instructions
Known Interference(s):
Isobutyrylfentanyl [LC-MS/MS]: beta-methylfentanyl
para-Fluorobutyrylfentanyl [LC-MS/MS]: meta-Fluorobutyrylfentanyl
para-Fluorofentanyl [LC-MS/MS]: Meta-fluorofentanyl
trans-3-Methylfentanyl [LC-MS/MS]: Crotonyl fentanyl
Isobutyrylfentanyl [LC-MS/MS]: beta-methylfentanyl
para-Fluorobutyrylfentanyl [LC-MS/MS]: meta-Fluorobutyrylfentanyl
para-Fluorofentanyl [LC-MS/MS]: Meta-fluorofentanyl
trans-3-Methylfentanyl [LC-MS/MS]: Crotonyl fentanyl
Transport Temperature
Frozen
Specimen Stability
Room temperature: Unacceptable
Refrigerated: 48 hours
Frozen: 14 days
Refrigerated: 48 hours
Frozen: 14 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Received Room Temperature • Received Refrigerated
Methodology
High Performance Liquid Chromatography/Tandem Mass Spectrometry
FDA Status
This test was developed and its performance characteristics determined by NMS Labs. It has not been cleared or approved by the US Food and Drug Administration.
Setup Schedule
Set up: Varies; Report available: 5 days
Reference Range
See Laboratory Report
