Test directory: Leflunomide Metabolite

Ordering Code 6012
Test Name Leflunomide Metabolite
Alias Teriflunomide
Preferred Specimen Serum
Preferred Container Plain (Red)
Other Specimen/Container Plasma in Lithium Heparin (Green), Plasma in Sodium Heparin (Green)
Optimum Volume 1.5 mL
Collection Instructions Gel separator tubes should not be used.
Transport Requirements Oahu: Ambient
Airline: Refrigerated
Specimen Stability Ambient: 5 Days
Refrigerated: 14 Days
Frozen: 30 Days
Rejection Criteria Gel barrier tube
Avail. Stat NO
Analytic Time 10 Days
Reference Lab  Quest Diagnostic Lab-NI

Reference range(s)

The reference ranges listed below are valid on this date of June 29, 2025.
Component Age Male Norm Male Critical Low Male Critical High Female Norm Female Critical High Female Critical Low Units Add'l info
Leflunomide Metabolite ALL See report.