Propoxyphene


Sunquest Code:PROPXY  
Epic Code:LAB3168Epic Name:Propoxyphene Level
Synonyms:Darvon
Methodology:Liquid chromatography/Tandem mass spectrometry
CPT Code:80367
Test Includes:Propoxyphene and Norpropoxyphene
Turnaround Time:Specimens are sent to reference laboratory Mon-Fri; results are reported within 7 days.


Collection Instructions

Specimen:Blood
Optimal Volume:4 mL
Minimum\Peds Volume:1.4 mL
Container:Red (no gel) (Green (lithium heparin, no gel), Green (sodium heparin, no gel))
Collection Instructions:Trough levels are the most reproducible.


Processing and Shipping

Specimen Processing:Centrifuge and aliquot 2 mL, 0.6 mL minimum. Store at room temperature.
Shipping Instructions:Ship at room temperature.
Test Performed at or Referral Lab Lab Sendouts  (MedTox)
Referral Lab number:108


Interpretive

Critical Range:Propoxyphene and Metabolite: Greater than or equal to 5000 ng/mL
Reference Range:Propoxyphene: 100-400 ng/mL; Norpropoxyphene: 200-2200 ng/mL; Propoxyphene & metabolite: 400-3000 ng/mL


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