Rufinamide

Banzel

Test Codes

EPIC: LAB1232207, Beaker: Rufinamide, Quest: 16296

Department

Send Outs

Instructions

A trough specimen is preferred. Collect sample within 1 hour prior to next dose.

Specimen Collection Criteria

Collect: One plain Red-top tube.

Do not use Serum Separator Tubes (SST). 

Physician Office/Draw Specimen Preparation

Let specimen clot 30-60 minutes then centrifuge to separate serum from cells. Transfer serum to plastic transport tube and maintain at room temperature (20-26°C or 68-78.8°F) prior to transport.

Preparation for Courier Transport

Transport: 1.0 mL serum, at room temperature (20-26°C or 68-78.8°F). (Minimum: 0.5 mL)

Rejection Criteria

• Serum separator tube (SST).
• Specimens not collected and processed as indicated.

In-Lab Processing

Let specimen clot 30-60 minutes then centrifuge to separate serum from cells. Transfer serum to plastic transport tube and maintain at room temperature (20-26°C or 68-78.8°F).

Transport: 1.0 mL serum, at room temperature (20-26°C or 68-78.8°F). (Minimum: 0.5 mL)

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): 7 days
Refrigerated (2-8°C or 36-46°F): 30 days
Frozen (-20°C/-4°F or below): 30 days

Specimen Storage in Department Prior to Disposal:

Specimen retention time is determined by the policy of the reference laboratory. Contact the Send Outs Laboratory with any questions.

Laboratory

Sent to Quest Diagnostics, Wood Dale, IL.

Performed

Wednesday, Saturday.
Results available in 4-6 days.

Reference Range

Maintenance therapy with 45 mg/kg (approximately 1600 mg) daily Rufinamide resulted in plasma concentrations ranging from 5.0-55.0 mcg/mL.

Test Methodology

Chromatography / Mass Spectrometry

CPT Codes

80210

Contacts

Last Updated

12/17/2025