Amitriptyline

Overview

  • EPIC Code:
  • LAB681
  • Soft Test Code:
  • AMITR
  • Send Out Test Code:
  • 423
Alternate Names
  • Elavil

Specimen Collection & Preparation

Specimen Requirements

2.0 mL Serum from a Red Top Tube in a Plastic Vial

Alternate Specimen

3.0 mL Plasma from a Lavender Top Tube - EDTA in a Plastic Vial
or
3.0 mL Plasma from a Green Top Tube - Li Heparin in a Plastic Vial 
or
3.0 mL Plasma from a Green Top Tube - Na Heparin in a Plastic Vial

TransportAndStorage

5 days Ambient 
7 days Refrigerated
30 days Frozen

Collection Instructions

Collect as a trough specimen or at least 12 hours after last dose

Clinical Interpretation

Reference Range:

Amitriptyline: No age/sex specific ranges for this test
Nortriptyline: No age/sex specific ranges for this test

Amitriptyline & Nortriptyline: 120 - 250 mcg/L

Low Detection Limit: 5 mcg/L


Critical Ranges:

> 500 mcg/L


Test Comments:

Drug Catagory: Antidepressant


Methodology:
  • Chromatography / Mass Spectrometry

Production Schedule

Sites Performed
  • Quest - Chantilly
Days Performed
Monday
Tuesday
Wednesday
Thursday
Friday
Departments
  • Sendouts - Clinical
Turn Around Time

4 to 6 days


Coding & Compliance

CPT Coding

80335