Leflunomide as Metabolite (Therapeutic Drug Monitoring), Blood Test (2531B)
||Leflunomide as Metabolite (Therapeutic Drug Monitoring), Blood
||Arava®; Leflunomide Metabolite
||This test is designed for the therapeutic drug monitoring of teriflunomide (leflunomide active metabolite) levels to ensure adequate dosage. The minimum reporting limit of this assay is 500 ng/mL. THIS TEST IS NOT MEANT TO MONITOR THE ELIMINATION OF TERIFLUNOMIDE IN WOMEN OF CHILDBEARING POTENTIAL WHO DISCONTINUE LEFLUNOMIDE. This test is New York State approved.
||High Performance Liquid Chromatography/
TandemMass Spectrometry (LC-MS/MS)
||1 mL Blood
||Lavender top tube (EDTA)
|Light Protection Required
||Room Temperature: 30 day(s)
Refrigerated: 30 day(s)
Frozen (-20 °C): 30 day(s)
|Day(s) Test Set-up / TAT
||[LC-MS/MS] Monday-Sunday / 7 days
|Suggested CPT Code
|Test Summary Sheet
*Rejection criteria pertain to clinical specimen submissions only.
**Stated minimum volume allows for a single analysis. Repeat analysis will not be performed.