ARUP's Laboratory Test Directory

Mexiletine : 0090276

Mnemonic: MEXIL

Methodology: Quantitative Liquid Chromatography-Tandem Mass Spectrometry
Performed: Mon, Wed, Fri
Reported: 1-4 days
Specimen Required: Collect: Plain red. Also acceptable: Lavender (K2 or K3EDTA) or pink (K2EDTA).

Specimen Preparation: Separate serum or plasma from cells within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min:0.5 mL)

Storage/Transport Temperature: Refrigerated.

Unacceptable Conditions: Whole blood. Gel separator tubes, light blue (citrate), or yellow (SPS or ACD solution).

Stability (collection to initiation of testing): After separation from cells: Ambient: 48 hours; Refrigerated: 5 days; Frozen: 2 months

Reference Interval:
Therapeutic Range:
1.0-2.0 µg/mL
Potentially toxic: 1.5-3.0 µg/mL
CPT Code(s): 80299
Cross References: Mexitil (Mexiletine)
 
 

 

 

 
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