MEXILETINE SERUM

General Information

HLAB/HOL Code: MEXPS
UPHSM LIS Test #: 9454
Schedule: Monday, Wednesday, Friday
Testing Time: 1 day
Testing Lab: Mayo Labs

Specimen Info
Only 1 specimen type required, unless otherwise specified

Volume: 3 mL Serum
Temperature: Refrigerated
Tube Type: 1 Red Top (Plain)
Collection Info:
Draw blood after patient has been receiving mexiletine for at least 3 days and just before administration of the next dose.

Methods

High-Pressure Liquid Chromatography (HPLC)

CPT Codes

80299

* The CPT codes provided 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 payer being billed.

Reference Range

Therapeutic concentration:
0.8-2.0 mcg/mL (trough value)

Toxic concentration (automatic call-back):
>2.0 mcg/mL (trough value)