Test Code DIL Unity Dilantin, Serum
Specimen Volume
1.0 mL
Preferred Specimen
Red No Gel (RED)
Alternate Specimen
Green No gel(GNG)
Specimen Handling Instructions
Non-gel tubes only. Plain green-top tube also acceptable.
Baseline specimens for phenytoin should be drawn just before the next
scheduled dose.
Transport
Routine courier pick-up
Department
Chemistry
Methodology
FPIA (Fluorescence Polarization Immunoassay)
Stat Turn-around Time
1 Hour
Routine Turn-around Time
1 Day
Reference Ranges
10-20 ug/mL.