Test ID FELBA Felbamate (Felbatol), Serum
Useful For
Determining whether a poor therapeutic response is attributable to noncompliance or lack of drug effectiveness
Monitoring changes in serum concentrations resulting from interactions with coadministered drugs such as barbiturates and phenytoin
Method Name
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Reporting Name
Felbamate (Felbatol), SSpecimen Type
SerumSpecimen Required
Container/Tube:
Preferred: Red top
Acceptable: Serum gel
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL
Collection Instructions:
1. Draw blood immediately before next scheduled dose.
2. Centrifuge and aliquot serum into plastic vial within 2 hours of collection.
Specimen Minimum Volume
0.5 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Serum | Refrigerated (preferred) | 28 days | |
Ambient | 28 days | ||
Frozen | 28 days |
Reference Values
30.0-60.0 mcg/mL
Day(s) Performed
Monday, Wednesday, Friday
Performing Laboratory

CPT Code Information
80167
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
FELBA | Felbamate (Felbatol), S | 6899-9 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
80782 | Felbamate (Felbatol), S | 6899-9 |
Test Classification
This test was developed, and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the US Food and Drug Administration.Report Available
Same day/1 to 3 daysNY State Approved
YesForms
If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:
-Neurology Specialty Testing Client Test Request (T732)
-Therapeutics Test Request (T831)