Lorazepam

Overview

  • EPIC Code:
  • LAB2505
  • Soft Test Code:
  • LORAZ
  • Send Out Test Code:
  • 0090181
Alternate Names
  • Ativan
  • LORAZ

Specimen Collection & Preparation

Patient Preparation

Timing of specimen collection: Pre-dose (trough) draw - At steady state concentration


Specimen Requirements

2.0 mL  Plasma from a Grey Top Tube - Na Flouride K+ in a Plastic Vial


Transport And Storage

3 days Refrigerated


Collection Instructions

Pre-dose (trough) draw 

Centrifuge and separate from cells within 2 hours of collection. 

Do not collect in a


Minimum Volume

1.0 mL


Neonatal Volume

Clinical Interpretation

Reference Range:

Dose-Related Range: 50-240 ng/mL - Dose (Adult): 1-10 mg/d
Toxic: Greater than 300 ng/mL


Methodology:
  • Quantitative Liquid Chromatography-Tandem Mass Spectrometry
Documentation

 Optimize drug therapy and monitor patient adherence


Production Schedule

Sites Performed
  • ARUP Lab
Days Performed
Tuesday
Thursday
Departments
  • Sendouts - Clinical
Turn Around Time

1 to 5 days


Coding & Compliance

CDM

00910082


CPT Coding

80346