Mexiletine, Serum/Plasma

Test Code
4934


CPT Codes
80299

Preferred Specimen
2 mL serum collected in a red-top tube (no gel)


Minimum Volume
0.7 mL


Other Acceptable Specimens
Plasma collected in an EDTA (lavender-top) tube


Instructions
NMS Labs has no experimental or literature-based data regarding the choice of specific specimen collection containers for this test.
Promptly centrifuge and separate serum or plasma into a plastic screw capped vial using approved guidelines.


Transport Temperature
Room temperature


Specimen Stability
Room temperature: 14 days
Refrigerated: 14 days
Frozen: 5 months


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Polymer gel separation tube (SST or PST)


Methodology
Gas Chromatography (GC)

FDA Status
This test was developed and its performance characteristics determined by NMS Labs. It has not been cleared or approved by the US Food and Drug Administration.

Setup Schedule
Set up: As needed; Report Available: 5 days


Report Available
5 Days


Reference Range
See Laboratory Report


Clinical Significance
Therapeutic Drug Monitoring




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.