Rheumatrex®, Trexall™
8 days
Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
Accredited Laboratory Partner
Contact Technical Support
Chemotherapy and autoimmune therapy drug level. Ensures therapeutic monitoring and prevents toxicity.
Serum or Plasma
1 mL
Red-top tube, lavender-top (EDTA) tube, OR green-top (heparin) tube.
No special preparation is required for this test. You may eat, drink, and take your medications as normal, unless instructed otherwise by your healthcare provider.
Do not use a gel-barrier tube.
| Temperature | Period |
|---|---|
| Room temperature | 14 days |
| Refrigerated | 14 days |
| Frozen | 14 days |
Rheumatrex®, Trexall™
8 days
Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
Accredited Laboratory Partner
Contact Technical Support
Chemotherapy and autoimmune therapy drug level. Ensures therapeutic monitoring and prevents toxicity.
Serum or Plasma
1 mL
Red-top tube, lavender-top (EDTA) tube, OR green-top (heparin) tube.
No special preparation is required for this test. You may eat, drink, and take your medications as normal, unless instructed otherwise by your healthcare provider.
Do not use a gel-barrier tube.
| Temperature | Period |
|---|---|
| Room temperature | 14 days |
| Refrigerated | 14 days |
| Frozen | 14 days |