Xylocaine®
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Lidocaine, Serum/Plasma
Test ID: LIDOQ S
Test
Aliases/Synonyms
Method
Immunoassay
Report Includes
Lidocaine
Specimens
Avoid gel separator tubes; Serum; Plasma (heparin); Plasma (oxalate/fluoride); Plasma (EDTA)
Clinical Utility
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.
Test Location
Quest Diagnostics, California USA
Test Version
31-Jan-2023
Specimen
Specimens
Avoid gel separator tubes; Serum; Plasma (heparin); Plasma (oxalate/fluoride); Plasma (EDTA)
Collection Containers
Preferred
Serum (red top)
Acceptable
Plasma (heparin); Plasma (oxalate/fluoride); Plasma (EDTA)
Sample Volume
1.0 mL
Minimum Volume
0.2 mL
Specimen Comment
Avoid gel separator tubes.
Collection & Handling
Collection Instructions
Collect trough specimen within 1 hour prior to next dose.
Handling Information
Store and send frozen.
Stability
| Ambient | 5 days |
|---|---|
| Refrigerated | 7 days |
| Frozen | 30 days |
Rejection Criteria
| Other | Gel-separator tube |
|---|
Test Version
31-Jan-2023
Performance / Interpretation
Method
Immunoassay
Turnaround Time
6 days
Results
| Name | Units | Reference Range | Conversion Factor | |
|---|---|---|---|---|
| Lidocaine | mg/L |
|
||
Test Location
Quest Diagnostics, California USA
Test Version
31-Jan-2023
Interface / Setup
HL7 Interface Codes
| Order Code | Result Codes | Units |
|---|---|---|
| LIDOQ S | 63110LIDOCAINE | mg/L |
Test Version
31-Jan-2023