Last Modified: 9/23/2019 4:29:03 PM

Medical Necessity Documentation:  
Client Notes:  
Patient Preparation:  
Specimen Requirements: 1.0 mL Serum from a Red Top Tube in a Plastic Vial
Collection Instructions:

Collect as trough prior to next dose.

Minimum Volume: 0.2 mL
Transport & Storage: Temperature/Stability:

5 days Ambient (transport)
7 days Refrigerated
30 days Frozen

24 hours on cells

Rejection Criteria: Serum separator tube (SST®)
Reference Range: 1.5 - 5.0 mcg/mL
Critical Ranges: > 6.0 mcg/mL
Test Comments:  
Methodology: Immunoassay
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.
Custom Panel: No


Turn Around Time: 2 to 3 days
Days Performed: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday
Sites Performed: Quest - Chantilly
PHL Test Code: LIDOC
EPIC Test Code: LAB685
Send Out Test Code: 605
Alternate Test Names: Lidocaine, Trough; Xylocaine
Included Tests:  
CPT Coding: 80176

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