Leflunomide Metabolite

Tube Type = Red Top

Tube Type

Test ID   LAB5698
EPIC Order   LEFLUNOMIDE
CPT Code(s)   80193
Group/Individual Test   Individual
Laboratory   Core Referral Testing
Tube Station   30
Specimen Routine: 3 mL blood red plain tube/gold SST tube also acceptable; See Comments
  Micro: 1 mL blood
Availability Routine: Reference Laboratory - Mayo Clinic Laboratories
Turnaround Time   4-7 days
Reference Range Normal: See separate report
Comments

Draw blood no sooner than 12 hrs (trough value) after the last dose.

Sample must be processed within 2 hrs of collection.

Reviewed by J. Carr on December 15, 2025

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514