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Lidocaine : 605
Test CodeLIDOAU or 605
Alias/See Also
Xylocaine
CPT Codes
80176
Instructions
Collect as a trough just prior to next dose.
Transport Container
Preferred Specimen
1 mL serum collected in a red-top tube (no gel)
Alternative Specimens
Plasma collected in: EDTA (lavender-top) tube, sodium heparin (green-top) tube, or fluoride/oxalate (gray-top) tube
Minimum Volume
0.2 mL
1 mL serum collected in a red-top tube (no gel)
Alternative Specimens
Plasma collected in: EDTA (lavender-top) tube, sodium heparin (green-top) tube, or fluoride/oxalate (gray-top) tube
Minimum Volume
0.2 mL
Transport Temperature
Room temperature.
Specimen Stability
Room temperature: 5 days; Refrigerated: 7 days; Frozen: 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Serum Separator Tube (SST)
Methodology
Immunoassay
Setup Schedule
Sunday - Saturday
Report Available
1 day
Reference Range
1.5-5.0 mg/L
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.
Performing Laboratory
med fusion
