Specimen Requirements
Title
Carbamazepine (Tegretol), Free
Specimen Requirement
Collect red top or green top (heparin) tube. Do not use a gel-barrier tube. Centrifuge, transfer 1 mL serum or plasma to a plastic transport tube, and indicate specimen type on transport tube. Draw just prior to next dose.
Methodology
Ultrafiltrate assayed by immunoassay
Stability
Room temp: 14 days, Refrigerated: 14 days, Frozen: 14 days
Reference Range
By Report*
Turnaround
2-4 days
Clinical Use
Test Code
FTEG