0094030
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Felbamate

FELBAMA
Example Reports
High
Normal

Ordering Recommendation

Optimize drug therapy and monitor patient adherence.

New York DOH Approval Status

This test is New York state approved.

Specimen Required

Patient Preparation

Timing of specimen collection: Pre-dose (trough) draw - At steady state concentration.

Collect

Plain red. Also acceptable: Lavender (EDTA), pink (K2EDTA), green (sodium heparin), gray (sodium fluoride/potassium oxalate). Avoid use of separator tubes and gels.

Specimen Preparation

Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.5 mL)

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions
Remarks
Stability

After separation from cells: Ambient: 72 hours; Refrigerated: 2 weeks; Frozen: 2 weeks

Methodology

Quantitative Liquid Chromatography-Tandem Mass Spectrometry

Performed

Mon-Fri

Reported

1-7 days

Reference Interval

Effective November 15, 2021

Therapeutic Range 30-60 µg/mL
Toxic Level Greater than or equal to 100 µg/mL

Interpretive Data

Felbamate is indicated for treatment of epilepsy. The therapeutic range is based on serum, predose (trough) draw collection at steady-state concentration. Patient pharmacokinetics may be variable due to age, co-medications, and/or compromised renal function. Adverse effects may include nausea, vomiting, dizziness, blurred vision and ataxia. Felbamate use may increase the incidence of liver failure and aplastic anemia.

This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.

Compliance Category

Laboratory Developed Test (LDT)

Note

Hotline History

View Hotline History

 

Hotline History

Date of Change
Test Name Change
Methodology
Performance/Reported Schedule
Specimen Requirements
Reference Interval
Interpretive Data
Note
CPT Code
Component Change
Other Interface Change
New Test
Inactive
08/21/2023
X
X
X
N/A

CPT Codes

80167

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Components

Component Test Code* Component Chart Name LOINC
0094030 Felbamate 6899-9
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

  • Felbatol
Felbamate