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HelpTest Code LIDOQ Lidocaine
Additional Codes
Epic: LAB685
Quest: 605
Specimen Required
Patient Preparation: Collect as a trough just prior to next dose.
Specimen Type: Serum
Collection Container/Type
Preferred: Red top
Acceptable: Plasma collected in: EDTA (lavender-top) tube, sodium heparin (green-top) tube, or sodium fluoride/oxalate (gray-top) tube.
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL
Specimen Minimum Volume
0.2 mL
Specimen Stability
Room temperature: 5 days
Refrigerated: 7 days
Frozen: 30 days
Reference Range
1.5-5.0 mg/L
Rejection Due To
Serum Separator Tube (SST®)
Day(s) and Time(s) Performed
Mon-Sat
Report Available
1-2 days
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.
Method Name
Immunoassay (IA)
CPT Code(s)
80176
Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153
Aliases
Xylocaine