Yale New Haven Hospital

Department of Laboratory Medicine
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Nortriptyline level

Lab Section: 

Sendout Reference

 

Lab Location: 

Sendout

Reference Lab: 

ARUP

 

Test ID: 

LAB807

 

Methodology: 

Quantitative  liquid Chromatography Tandem Mass Spectrometry

Schedule: 

Daily

Reported: 

1-7 days

Specimen Requirements: 

Collect Blood in a Red Top Tube.
Pediatric volume: 2 .
No gel barrier tube
Handling: Separate serum or plasma from cells within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.5 mL).
Unacceptable conditions: Whole blood. Gel separator.
Stability: After separation from cells: Ambient: 5 days Refrigerated: 2 weeks; Frozen: 6 months

 

If amitriptyline is administered, order Amitriptyline and Nortriptyline (ARUP test code 0090158).  Timing of specimen collection: Pre-dose (trough) draw - At steady state concentration. 

 

Notes: 

Part of Tricyclic Antidepressant Panel. Until further notice, test sent out to ARUP.

Reference Interval: 

50-150 ng/mL

CPT Code(s): 

80335

Last Changed: 

8/29/2017 3:11:55