Laboratory Lab results are too important to go anywhere else.

Felbamate

Felbatol^®

Test Codes

EPIC: LAB1231319, Beaker: XFELB, Warde: FELBA

Department

Send Outs

Specimen Collection Criteria

Collect (preferred specimen): One plain Red-top tube.

Do not use Serum Separator Tubes.
Time of Collection: Trough, just prior to the next dose.

Physician Office/Draw Specimen Preparation

Centrifuge to separate serum from cells within two hours. Transfer serum to a plastic transport tube and refrigerate (2-8°C or 36-46°F).

Preparation for Courier Transport

Transport: 1.0 mL serum, refrigerated (2-8°C or 36-46°F). (Minimum: 0.5 mL)

Rejection Criteria

• Serum Separator (SST) tubes.
• Grossly lipemic specimens.
• Grossly hemolyzed specimens.
• Grossly Icteric specimens.
• Specimens not collected and processed as indicated.

In-Lab Processing

Centrifuge to separate serum from cells within two hours. Transfer serum to a plastic transport tube and refrigerate (2-8°C or 36-46°F).

Transport: 1.0 mL serum, refrigerated (2-8°C or 36-46°F). (Minimum: 0.5 mL)

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): 48 hours
Refrigerated (2-8°C or 36-46°F): 7 days
Frozen (-20°C/-4°F or below): 14 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 Warde Medical Laboratory, Ann Arbor, MI.

Performed

Monday – Friday.
Results available in 2-4 days.

Reference Range

25-100 mcg/mL.

Toxic: >150 mcg/mL.

Test Methodology

Quantitative High Performance Liquid Chromatography (HPLC).

Interpretation

By report.

Clinical Utility

Felbamate is an anticonvulsant drug approved for the treatment of partial seizures with or without secondary generalization in persons greater than 14 years of age. It is also approved as an add-on therapy for partial or generalized seizures or Lennox-Gastout syndrome in children less than 2 years of age. This assay is used for the therapeutic monitoring and toxicity assessment of felbamate.

CPT Codes

80167

Contacts

Last Updated

9/17/2024