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HelpTest ID FNALO Naloxone - Total (Conjugated/Unconjugated), Screen, Urine
Method Name
High Performance Liquid Chromatography/Tandem Mass
Spectrometry (LC-MS/MS)
Reporting Name
Naloxone Screen, Total, USpecimen Type
UrineCollect 1 mL random urine. Send specimen refrigerated in a plastic (preservative-free) urine container.
Specimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Urine | Refrigerated (preferred) | 30 days |
| Frozen | 365 days | |
| Ambient | 7 days |
Reference Values
Reporting limit determined each analysis (screen and confirmation)
Naloxone – Total ng/mL
Synonym(s): Narcan
Naloxone – Confirmation ng/mL
Synonym(s): Narcan
Day(s) Performed
Tuesday, Thursday
Report Available
4 daysPerforming Laboratory
NMS LabsCPT Code Information
80304
80362 if appropriate