Purpose
Therapeutic Drug Monitoring
Method(s)
High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS)
Suggested CPT Code(s)
80362
New York State Approval Status

Approved

Turnaround Time

4 days

Test Includes
1 Naltrexone - Free Depade; ReVia; Trexan; Vivitrol High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) ng/mL 0.5 Narcotic Analgesic
2 6-Beta-Naltrexol - Free Naltrexone Metabolite High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) ng/mL 0.5 Narcotic Analgesic

Test Also Known As
Nalorex®
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: 14 day(s)
Refrigerated: 30 day(s)
Frozen (-20 °C): 3 month(s)
1 Naltrexone - Free Depade; ReVia; Trexan; Vivitrol High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) ng/mL 0.5 Narcotic Analgesic
2 6-Beta-Naltrexol - Free Naltrexone Metabolite High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) ng/mL 0.5 Narcotic Analgesic

Interface Map

LOINC® Information