Specimen Inquiry
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Drugs of Abuse Confirmation/Quantitation - Propoxyphene & Metabolite, Serum or Plasma |
Preferred specimen: |
1.0 mL serum, red top tube. Do not collect in gel-barrier tube. Remove serum from cells ASAP or within 2 hours of collection and transfer to a plastic transport tube. |
Minimum specimen: |
0.5 mL serum or plasma |
Notes: |
Drugs covered: Propoxyphene and metabolite (norpropoxyphene - qualitative only)
Positive cutoff:
Propoxyphene: 10 ng/mL
Norpropoxyphene: 10 ng/mL
For medical purposes only; not valid for forensic use. |
Acceptable specimen: |
1.0 mL plasma, gray (sodium fluoride/potassium oxalate), green (sodium heparin), or lavender (EDTA) top tube. Remove plasma from cells ASAP or within 2 hours of collection and transfer to a plastic transport tube. |
Unacceptable specimen: |
Separator tubes or gels. Plasma or whole blood collected in light blue (sodium citrate) top tube. |
Transport temp: |
Refrigerated |
Methodology: |
Quantitative High Performance Liquid Chromatography-Tandem Mass Spectrometry |
Unit Code: |
812930 |
Ref Range: |
By report |
Reported: |
2-9 days |
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