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