Purpose
Identification and Quantitation
Method(s)
Gas Chromatography/Mass Spectrometry (GC/MS)
Suggested CPT Code(s)
80367
New York State Approval Status

Approved

Known Interference(s)
Propoxyphene [GC/MS]: Amitriptyline
Turnaround Time

8 days

Test Includes
1 Propoxyphene Darvon® Gas Chromatography/Mass Spectrometry (GC/MS) mcg/mL 0.1 Analgesic Amitriptyline
2 Norpropoxyphene Propoxyphene Metabolite Gas Chromatography/Mass Spectrometry (GC/MS) mcg/mL 0.1 Analgesic

Test Also Known As
Darvocet®
Specimen Type
Blood
Requested Volume
2 mL
Minimum Volume
0.7 mL
Special Handling
None
Specimen Container
Gray top tube (Sodium Fluoride / Potassium Oxalate)

Additional Collection Instructions

Transport Temperature
Refrigerated
Light Protection
Not Required
Rejection Criteria
None

Rejection criteria pertain to clinical specimen submissions only.

Stability
Room Temperature: Undetermined
Refrigerated: Undetermined
Frozen (-20 °C): Undetermined
1 Propoxyphene Darvon® Gas Chromatography/Mass Spectrometry (GC/MS) mcg/mL 0.1 Analgesic Amitriptyline
2 Norpropoxyphene Propoxyphene Metabolite Gas Chromatography/Mass Spectrometry (GC/MS) mcg/mL 0.1 Analgesic

Interface Map

LOINC® Information