Lidocaine, Serum or Plasma
Also known as: Xylocaine®
Use
Lidocaine is an antiarrhythmic medication used to treat ventricular tachycardia and other heart rhythm disorders. Monitoring serum or plasma levels of lidocaine is crucial for optimizing therapeutic efficacy while avoiding toxicity.
Special Instructions
Ensure proper labeling of specimen to avoid contamination and errors in results.
Limitations
Interference with specific assays may lead to false results. Cross-reactions with metabolite could occur.
Methodology
Automated Analyzer (Clinical Chemistry)
Biomarkers
Result Turnaround Time
1-2 days
Related Documents
For more information, please review the documents below
Specimen
Plasma
Volume
1 mL
Minimum Volume
0.5 mL
Container
Lavender-top (EDTA) tube
Collection Instructions
Collect sample and store at room temperature until processed.
Patient Preparation
No special preparation required.
Storage Instructions
Store at room temperature, refrigerated or frozen if processing is delayed.
Causes for Rejection
Hemolysis, incorrect labeling, insufficient volume.
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 24 hours |
| Refrigerated | 48 hours |
| Frozen | 7 days |