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Lamotrigine
Test CodeLAMO
Quest Code
22060
Alias/See Also
Lamictal
CPT Codes
80175<br><strong>This test is not available for New York patient testing. For New York patient testing use test code 13631.</strong>
Preferred Specimen
1 mL serum collected in a red-top tube (no gel)
Patient Preparation
Draw 1/2 to 1 hour before next dose at steady-state
Minimum Volume
0.5 mL
Other Acceptable Specimens
Plasma collected in: EDTA (lavender-top) tube or sodium heparin (green-top) tube
Instructions
Do not use gel barrier/Serum Separator tubes
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 48 hours
Refrigerated: 5 days
Frozen: 14 days
Refrigerated: 5 days
Frozen: 14 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Grossly lipemic • Gel barrier/serum separator tube (SST)
Methodology
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Setup Schedule
Set up: Tues-Sat; Report available: 3-5 days
Reference Range
2.5-15.0 mcg/mL
Clinical Significance
Lamotrigine is an anticonvulsant drug used as adjunctive treatment for refactory partial seizures.
Performing Laboratory
MedFusion
2501 South State Highway 121
Suite 1100
Lewisville, TX 75067-8188