Talwin® Nx, Urine Test (4303U)
| Analysis Code |
4303U |
| Test Name |
Talwin® Nx, Urine |
| Test Includes |
Naloxone - Total [LC-MS/MS], Pentazocine - Total [GC] |
| Purpose |
Compliance Monitoring |
| Category |
Narcotic Analgesic |
| Method(s) |
Gas Chromatography (GC)
High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) |
| Specimen Requirements |
2 mL Urine |
| Transport Temperature |
Refrigerated |
| Specimen Container |
Plastic container (preservative-free) |
| Special Handling |
None |
| Light Protection Required |
Not Required |
| Stability |
Room Temperature: 7 day(s)
Refrigerated: 10 day(s)
Frozen (-20 °C): 1 month(s) |
| Rejection Criteria |
None |
| Day(s) Test Set-up |
[GC] Monday-Friday 3 days
[LC-MS/MS] Tuesday Thursday 2nd Shift 4 days |
| Suggested CPT Code |
[LC-MS/MS] 83925
[GC] 83925 |
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