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Laboratory:	Clinical Biochemistry
Test Name:	LEFLUNOMIDE METABOLITE - (S) Test Code: MIS8
Clinical Information:
Collection Devices:	Preferred Device: 1 - Serum Tube(s), with or without barrier gel - Full Tube Collection Serum Tube(s), with or without barrier gel - Full Tube Collection Manufacturer: Greiner or Becton Dickinson Catalogue #: Greiner: 057352 BD: 367988 or 366430
Specimen Required:	Serum: 0.3 mL Pediatric Serum: 0.3 mL
Referral:	Store and ship refrigerated or frozen.
Requisition:	_SH Biochemistry Hematology Requisition (R250-10-92) _SH Hospital Biochemistry Hematology Non Winnipeg Brandon (R250-10-91) _SH Winnipeg Brandon Biochemistry Hematology Requisition (R250-10-94) _SH Winnipeg Brandon Hospital Biochemistry Hematology Requisition (R250-10-93)
Reference Values:	Therapeutic: > 40 μg/mL Elimination: < 0.20 μg/mL Adverse reactions to Leflunomide do not correlate well with serum metabolite levels.
Availability:	Within 2 Weeks Draw blood no sooner than 12 hours after last dose.
See Also:
More Information:	Store and ship refrigerated or frozen to HSC Clinical Chemistry - MS5 for referral to Mayo Medical Laboratories. Test ID: LEFLU (60292).