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Lamotrigine (Lamictal)

Order Name LAMOTRIGIN
Test Number: 4310575
Revision Date 05/28/2021
Test Name Methodology LOINC Code
Lamotrigine (Lamictal)
Quantitative Enzyme Immunoassay 6948-4 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 1 mL (0.3) Serum Clot Activator (Red Top, No-Gel) Refrigerated
Alternate 1 1 mL (0.3) Serum Clot Activator SST Refrigerated
Alternate 2 1 mL (0.3) Plasma EDTA (Lavender Top) Refrigerated
Alternate 3 1 mL (0.3) Plasma Lithium Heparin PST (Light Green Top) Refrigerated
Instructions Draw 1/2-1 hour before next dose at steady state. Separate serum, plasma from cells ASAP.
Reject Criteria : Gross Hemolysis, Lipemia, (Gel Separation tubes are now acceptable)
Stability After separation from cells: Ambient 8 hours, Refrigerated 7 days, Frozen 4 weeks.
GENERAL INFORMATION
Testing Schedule Mon-Fri 
Expected TAT 1-3 Days  
CPT Code(s) 80175
Lab Section Chemistry