Tramadol and Metabolite, Serum/Plasma Test (4531SP)
||Tramadol and Metabolite, Serum/Plasma
||Tramadol Metabolite; Ultram®; Ultrex®
||Therapeutic Drug Monitoring; This test is New York State approved.
||High Performance Liquid Chromatography/
TandemMass Spectrometry (LC-MS/MS)
||1 mL Serum or Plasma
||Plastic container (preservative-free)
||Serum: Collect sample in Red top tube
Plasma: Collect sample in Lavender top tube (EDTA) or Pink top tube.
Peak serum levels are recommended when monitoring patients because the level in the blood drops so rapidly that many negative results are found at the trough. The peak occurs at 40 to 90 minutes post dose. Promptly centrifuge and separate Serum or Plasma into a plastic screw capped vial using approved guidelines.
|Light Protection Required
||Room Temperature: 14 day(s)
Refrigerated: 14 day(s)
Frozen (-20 °C): 11 month(s)
||Polymer gel separation tube (SST or PST).
|Day(s) Test Set-up / TAT
||[LC-MS/MS] Monday Wednesday Friday / 3 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.