Preferred test to follow up presumptive results. For general screening, Propoxyphene, Urine Screen with Reflex to Quantitation (2012269) is preferred.
Quantitative Gas Chromatography-Mass Spectrometry (GC-MS)
New York DOH Approval Status
Plain red, Lavender (K2EDTA or K3EDTA) or Pink (K2EDTA).
Separate from cells within 2 hours. Transfer 2 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.7 mL)
Test is not performed at ARUP; separate specimens must be submitted when multiple tests are ordered.
Refrigerated. Also acceptable: Room temperature and frozen.
Ambient: 2 weeks; Refrigerated: 2 weeks; Frozen: 3 months
Amitriptyline is a known interference.
80367 (Alt code: G0480)
|Component Test Code*||Component Chart Name||LOINC|
|3003724||Propoxyphene Quantitation, S/P||3543-6|
|3003725||Norpropoxyphene Quantitation, S/P||10341-6|
National Medical Services (NMS)