Mexiletine, Serum or Plasma
Optimize drug therapy and monitor patient adherence.
New York DOH Approval Status
Serum Pre-dose (Trough) Draw - At a Steady State Concentration or Plasma Pre-dose (Trough) Draw - At a Steady State Concentration in Plain Red, Lavender (K2EDTA), Lavender (K3EDTA), or Pink (K2EDTA).
Separate from cells ASAP or within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.5 mL)
Whole blood. Gel Separator Tubes, Light Blue (Sodium Citrate), or Yellow (SPS or ACD Solution).
Ambient: 48 hours; Refrigerated: 5 days; Frozen: 2 months
Quantitative Liquid Chromatography-Tandem Mass Spectrometry
Mon, Thu, Sat
Effective November 12, 2018
|Therapeutic Range||0.5-2.0 µg/mL|
|Toxic Level||Greater than 2.0 µg/mL|
The therapeutic range is based on serum pre-dose (trough) draw at steady-state concentration. Toxic concentrations may cause hypotension, tremor and cardiac abnormalities.
This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.
Laboratory Developed Test (LDT)
|Component Test Code*||Component Chart Name||LOINC|
- Mexitil blood level