Test Directory

Test Code
CNALO
Test Name
Naloxone, Quantitative, Urine
CPT Codes
AMA 80372, CMS G0480
Expected Turnaround Time
1 - 5 days
Clinical Utility

Useful in determining the use or abuse of Naloxone.

Testing includes identification and quantitation of:

  • Naloxone
Specimen and Container Info

Preferred Specimen Type: Urine 

Preferred Collection Container: Plastic Urine Container (Preservative Free) 

Desired Specimen Volume: 10 mL 

Transport Instructions

Transport to the laboratory refrigerated.

Stability Requirements

Room Temperature

 7 Days 

Refrigerated

 7 Days 

Causes for Rejection

Urine specimens received in tubes containing preservatives will be rejected.

Methodology
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Limitations

Analyte

Cutoff Concentration (ng/mL)

Naloxone

50

Performing Location
Roble Road Core Laboratory
Alternate Names
  • Narcan
  • Rezenopy
  • Suboxone
  • Evzio
  • Narcotan
  • RiVive
Testing Schedule
Routine, daily