Laboratory Test Information Guide

Details for Leflunomide

Test Name: Leflunomide
Alternate Name(s): Arava
Teriflunomide
Laboratory: Core (VH)
Specimen Type: 6 mL Red top or 4 mL Lavender (EDTA) top Vacutainer tube
Collection Information: Serum separator gel tubes are not acceptable.
Freeze plasma/serum aliquotes prior to shipment.
Requisition: GENERAL LABORATORY REQUISITION
Test Schedule: Weekly, test is performed on Thursdays
Turnaround time from when specimen
is received in testing laboratory:
 
Routine
1 week
Stat
N/A
 
Reference Range: 50-100 ug/mL

Note: For couples planning a pregnancy, confirmation of teriflunomide concentrations (either father or mother receiving therapy) of <0.02 ug/mL in two separate tests at least 14 days apart is highly recommended.
Effective Date: 2013-05-27
Revised Date: 2019-03-15
Critical Value:  
Interpretive Comments:  
Special Processing:  
Comments: If the results are to be faxed back from the referral laboratory, please indicate so clearly on the request.
Method of Analysis: HPLC
Critical Information Required:  
Storage & Shipment: Separate and freeze. Ship on ice packs or frozen.
System Codes: 
Cerner
LEFLU
 
Referred To: CHUM Laboratoire Regroupe
1000 rue St-Denis
Montreal, Quebec
H2X 0C1
Telephone: 514-890-8318
Fax: 514-412-7420

Questions? Comments? Contact Laura Gopaul