Test Overview
Test Methodology

Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)

Test Usage

Assessing toxicity or abuse.

Reference Range *

Propoxyphene: 100 - 400 ng/mL; Norpropoxyphene: 200 - 2200 ng/mL; Propoxyphene + Norpropoxyphene: 400 - 3000 ng/mL.

Test Details
Days Set Up
Daily
Analytic Time

7 days

Soft Order Code
MMLR
Laboratory
Sendout
Reference Laboratory
Mayo FPPOX (57140) (MedTox 108)
Section
Special Testing
Specimen Requirements
Collection Instructions

Collect blood in a red top or green top tube; do not use SST or PST tube. Centrifuge, aliquot serum or plasma into plastic vial and refrigerate.

Rejection Criteria
SST or PST tube not acceptable.
Yellow Top Tube
Red Top Tube
Normal Volume
5 mL serum or plasma
Minimum Volume
2 mL serum or plasma
Additional Information

Test sent to Mayo Medical Laboratories; performed by MedTox Laboratories.

Billing
CPT Code
80367
NY State Approved
No