Naltrexone and Metabolite - Free (Unconjugated), Blood Test (3116B)

Naltrexone and Metabolite - Free (Unconjugated), Blood Test (3116B)

Analysis Code 3116B 
Test Name Naltrexone and Metabolite - Free (Unconjugated), Blood 
Test Includes 6-Beta-Naltrexol - Free; Naltrexone - Free 
Compound Synonym(s) Depade; Nalorex┬«; Naltrexone Metabolite; ReVia; Trexan; Vivitrol 
Purpose Therapeutic Drug Monitoring; This test is New York State approved. 
Category Narcotic Analgesic 
Method(s) High Performance Liquid Chromatography/
TandemMass Spectrometry (LC-MS/MS) 
Specimen Requirements 2 mL Blood 
Transport Temperature Refrigerated 
Specimen Container Gray top tube (Sodium Fluoride / Potassium Oxalate) 
Special Handling None 
Light Protection Required Not Required 
Stability Room Temperature: 14 day(s)
Refrigerated: 30 day(s)
Frozen (-20 ┬░C): 3 month(s) 
*Rejection Criteria None 
Day(s) Test Set-up / TAT [LC-MS/MS] Tuesday Thursday / 3 days 
Suggested CPT Code 80362 
**Minimum Volume 0.7 mL 
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You are viewing Naltrexone and Metabolite - Free (Unconjugated), Blood Test (3116B)
*Rejection criteria pertain to clinical specimen submissions only.
**Stated minimum volume allows for a single analysis. Repeat analysis will not be performed.


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