Department of Laboratory Medicine
Test Directory

[ Test Name Index ]

[ Home & References ]

Amitriptyline/nortriptyline level

Lab Section:  Sendout Reference  
Lab Location:  Sendout
Reference Lab: ARUP 
Test ID: LAB681 
Synonyms: Elavil
Methodology: Quantitative Liquid Chromatography-Tandem Mass Spectrometry
Schedule: Monday, Wednesday, Friday
Reported: 10 days
Specimen Requirements:  Collection: 3.0 mL Blood in a Red Top Tube.
Pediatric volume: 1 mL.
Plain red. Also acceptable: Lavender (K2 or K3EDTA) or pink (K2EDTA).
Transport: Refrigerated.
Handling: Timing of specimen collection: Pre-dose (trough) draw - At steady state concentration.
Unacceptable conditions: Whole blood. Gel separator tubes, light blue (citrate), or yellow (SPS or ACD solution).
Stability: After separation from cells: Ambient: 5 days; Refrigerated: 2 weeks; Frozen: 6 months
Reference Interval:  See patient report or consult reference laboratory website.
CPT Code(s): 80335
Last Changed: 11/22/2016 10:12:47
Last Reviewed: 12/21/2016 03:11:51