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Test Code LAB685 Lidocaine, Serum

Performing Laboratory

Barnes-Jewish Hospital Laboratory

Methodology

Enzyme Immunoassay

Literature Reference:

Package insert: Syva® Emit® Lidocaine Assay. Siemens Healthcare Diagnostics Ltd.,

Newark, DE 19714., 5/2011

Specimen Requirements

Specimen Type: Plasma

Container/Tube: Li-heparin with separator (mint green top tube)

Specimen Volume: Full tube

 

Day(s) Test Set Up

Monday through Sunday

Turnaround Time:
STAT: 1 hour after receipt in laboratory 
Routine: 2-4 hours after receipt in laboratory

Test Classification and CPT Coding

80176

Reference Values

Therapeutic concentration: 1.5-5.0 mcg/mL

Critical result (automatic call-back): ≥6.0 mcg/mL

Literature Reference:

Waldman SA, Terzic A. Pharmacology and therapeutics, principles to practice. Saunders Elsevier, Philadelphia, PA: 2009.

Specimen Transport Temperature

Ambient <24 hours/Refrigerated <24 hours OK

Additional Information

For BJH Laboratory Use Only
Alternate Tube:

1 Plain red top (no anticoagulant or preservative) - Separator gel tube is not acceptable


Analyte Stability:

  • Specimens must be processed within 4 hours.
  • Processed sample stability:
    • Ambient - 24 hours
    • Refrigerated (2 - 8°C) - 7 days
    • Frozen (≤ -20°C) - For longer period of time
  • See Analyte Stability Chart under General Information for a complete list.

Laboratory Processing Instructions:

Test performed in BJH Core Lab.  Processed by automated line for delivery to the Cobas 8000. Completed specimens are stored refrigerated for 5 days.

LOINC Code Information

Name LOINC Code
Lidocaine, Serum 3714-3