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HelpTEST ID LID Lidocaine, Serum
Reporting Name
Lidocaine, SSpecimen Type
Serum RedSpecimen Required
Supplies: Sarstedt Aliquot Tube 5 mL (T914)
Collection Container/Tube: Red top (serum gel/SST are not acceptable)
Submission Container/Tube: Plastic vial
Specimen Volume: 0.5 mL
Collection Instructions: Within 2 hours of collection, centrifuge and aliquot serum into a plastic vial.
Specimen Minimum Volume
0.25 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum Red | Refrigerated (preferred) | 14 days | |
| Ambient | 14 days | ||
| Frozen | 14 days |
Method Name
Enzyme-Multiplied Immunoassay Technique (EMIT)
Reject Due To
| Gross hemolysis | Reject |
Reference Values
Therapeutic: 1.5-5.0 mcg/mL
Critical value: >6.0 mcg/mL
Day(s) Performed
Monday through Saturday
Report Available
Same day/1 to 2 daysSpecimen Retention Time
2 weeksPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
80176
Forms
If not ordering electronically, complete, print, and send a Therapeutics Test Request (T831) with the specimen.
Useful For
Assessing optimal lidocaine dosing during the acute management of ventricular arrhythmias following myocardial infarction or during cardiac manipulation such as surgery
Assessing potential lidocaine toxicity