| Ordering Code | 8223 |
|---|---|
| Test Name | Venlafaxine, Confirmation, Urine |
| Alias | Effexor |
| Preferred Specimen | Urine |
| Preferred Container | Use forensic container for forensic collections Clean or sterile Container for clinical specimens. |
| Optimum Volume | 30 mL |
| Collection Instructions | Chain of Custody Form required for Forensic Collections. |
| Handling Instructions | Deliver unopened custody bags to Toxicology Dept for forensic collections. |
| Specimen Stability | Ambient: 2 Weeks Refrigerated: 3 Months Frozen: 1 Year |
| Rejection Criteria | Contaminated, Improper Custody (forensic), Insufficient Quantity, Wrong Specimen Type |
| Avail. Stat | NO |
| Analytic Time | Up to 3 Days |
| Methodology | Liquid Chromatography/Tandem Mass Spectrometry |
Reference range(s)
The reference ranges listed below are valid on this date of November 21, 2024.
| Component | Age | Male Norm | Male Critical Low | Male Critical High | Female Norm | Female Critical High | Female Critical Low | Units | Add'l info |
|---|---|---|---|---|---|---|---|---|---|
| Venlafaxine, Confirmation, Urine | ALL | ng/mL | See report. |