Specimen Requirements
Title
PHENYTOIN, FREE (DILANTIN, FREE)
Specimen Requirement
Collect plain red top or green top (heparin) tube. Do not use a gel-barrier tube. Transfer 3 mL serum or plasma to a plastic transport tube. Indicate specimen type on transport tube.
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
FDILS