LAMOTRIGINE (LAMICTAL)
Test:
622
CPT:
80175
Synonyms
1-Lamictal
Special Instructions
Expected Turnaround Time
2 – 5 days
Specimen Requirements
Specimen
2 – 5 days
Volume
1 mL
Minimum Volume
0.3 mL (Note: This volume does not allow for repeat testing.)
Container
Red-top tube, lavender-top (EDTA) tube, or green-top (heparin) tube. Do not use a gel-barrier tube. The use of gel-barrier tubes is not recommended due to slow absorption of the drug by the gel. Depending on the specimen volume and storage time, the decrease in drug level due to absorption may be clinically significant.
Collection
Transfer separated serum or plasma to a plastic transport tube.
Storage Instructions
Maintain specimen at room temperature.
Causes for Rejection
Gel-barrier tube; whole blood samples; unspun samples that are not separated from cells