LAMOTRIGINE

Specimen Required
Draw blood in a plain red-top tube. Centrifuge, separate and send 1.0 mL serum (0.2 mL minimum) refrigerated in a screw-capped plastic vial.

Alternate Specimen
Plasma: EDTA, fluoride, oxalate

Rejection Criteria
SST

Methodology
Liquid Chromatography/Tandem Mass Spectrometry

Stability
Room Temperature: 24 hours; Refrigerated: 14 days; Frozen: 14 days

Reference Range
2–15 µg/mL
Toxic: >20 µg/mL

Performed
Monday-Friday

Turnaround Time3 days
Test CodeLAMOT
CPT-4 Code (s)
80175
LOINC Codes
6948-4

Warde
Medical
Laboratory