Lidocaine


Sunquest Code:LIDOC  
Epic Code:LAB685Epic Name:Lidocaine Level
Synonyms:Xylocaine
Methodology:Immunoassay
CPT Code:80176
Turnaround Time:Routine specimens are sent to the reference laboratory Mon-Fri; results are reported within 1-3 days. Stat specimens are sent to the reference laboratory 24/7; results are reported the same day.
Special Instructions:UMMC Only: Send specimens STAT to MedTox using the Dunamex courier on all shifts. See Associated Links.
Associated Links:

ROB Work Aid for MedTox. Dynamex OnLine Courier Request for EAST ACL



Collection Instructions

Specimen:Blood
Optimal Volume:2 mL
Minimum\Peds Volume:0.7 mL
Container:Red (no gel) (Green (lithium heparin, no gel), Green (sodium heparin, no gel))
Collection Instructions:Steady-state levels are collected 30-90 minutes after a loading dose or 6-12 hours after a maintenance dose. After a loading dose, peak serum levels occur at end of IV infusion.


Processing and Shipping

Specimen Processing:Centrifuge and aliquot 1 mL, 0.24 mL minimum. Store at room temperature.
Shipping Instructions:Ship at room temperature.
Test Performed at or Referral Lab Lab Sendouts  (MedTox)
Referral Lab number:60


Interpretive

Critical Range:Greater than 8 ug/mL
Reference Range:1.2-6.0 ug/mL
Use:Monitor therapeutic dosing and evaluate toxicity. Half-life is 1-2 h.


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