Lidocaine

Overview

  • EPIC Code:
  • LAB685
  • Soft Test Code:
  • LIDOC
  • Send Out Test Code:
  • 605
Alternate Names
  • Lidocaine, Trough
  • Xylocaine
Clinical Significance

Lidocaine direct injection or infusion is used in the emergency treatment of ventricular arrhythmias caused by acute myocardial infarction, open-heart surgery. It is also used for topical anesthesia administered as a gel or by injection. Lidocaine levels are monitored to assure adequate therapeutic levels are achieved and to avoid toxicity.


Specimen Collection & Preparation

Specimen Requirements

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


Transport And Storage

5 days Ambient (transport)
7 days Refrigerated
30 days Frozen

24 hours on cells


Collection Instructions

Collect as trough prior to next dose.


Minimum Volume

0.2 mL


Neonatal Volume

Clinical Interpretation

Reference Range:

1.5 - 5.0 mcg/mL


Critical Ranges:

> 6.0 mcg/mL


Methodology:
  • Immunoassay (IA)
Clinical Significance

Lidocaine direct injection or infusion is used in the emergency treatment of ventricular arrhythmias caused by acute myocardial infarction, open-heart surgery. It is also used for topical anesthesia administered as a gel or by injection. Lidocaine levels are monitored to assure adequate therapeutic levels are achieved and to avoid toxicity.


Production Schedule

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

2 to 3 days


Coding & Compliance

CDM

01486334


CPT Coding

80176