Test Code NORTRIPTYLINE (272) Nortriptyline
Specimen Requirements
Patient Preparation
Collect at steady-state trough concentration. Specimen should be collected >12 hours after dose.
Preferred Specimen(s)
3 mL serum collected in a red-top tube (NO GEL)
Minimum Volume: 1.5 mL
TRANSPORT TEMPERATURE
Transport Temperature
Room temperature. If there is a delay in your specimen reaching WKHS, please refrigerate or freeze your specimen. All stability requirements are listed below:
Specimen Stability
Room temperature: 5 days
Refrigerated: 7 days
Frozen: 30 days
PERFORMING LAB
Quest Diagnostics Nichols Institute |
27027 Tourney Road |
Valencia, CA 91355-5386 |