Laboratory Test Information Guide

Details for Phenytoin,Serum-Free

Test Name: Phenytoin,Serum-Free
Alternate Name(s): Free Phenytoin
Free Dilantin
Laboratory: Toxicology/Special Chemistry
Specimen Type: 2 x 5 mL Gold top Vacutainer tube

Pediatric:
2-10 yrs: 2 x 2 mL Red top
0-2 yrs: Red 2 x 0.5pk.
Collection Information: Minimum volume of serum required for testing is 2 mL.

Collect blood aseptically in a Vacutainer tube.

Serum from two 6 mL Red top Vacutainer tubes is also acceptable.
Requisition: GENERAL LABORATORY REQUISITION
Test Schedule: Monday - Friday
0800-1600
Turnaround time from when specimen
is received in testing laboratory:
 
Routine
5 days
Stat
 
 
Reference Range: 2.4-8.0 µmol/L
Effective Date: 2008-11-15
Revised Date: 2016-01-18
Critical Value:  
Interpretive Comments:  
Special Processing:  
Comments:  
Method of Analysis: HPLC/MS/MS
Critical Information Required:  
Storage & Shipment: Separate and freeze. Ship on ice packs or frozen.
System Codes: 
Cerner
FPHEN
 
Referred To:  

Questions? Comments? Contact Laura Gopaul