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Test Name:
Felbamate, Serum or Plasma
- SBMF No:
44543 - Performance Lab Name:
ARUP Laboratories - Test Mnemonic:
FELB - ABN:
Not required - CPT Code:
80299 - LOINC Code:
6899-9 - Ref Lab Test No:
0094030 - Also Known As:
Felbatol® - Spec Type:
Serum - Spec Container:
Red top (serum) tube - Alt Spec Type:
Plasma - Alt Spec Container:
Lavender top (EDTA), green top (sodium heparin), or gray top (fluoride/oxalate) tube - Pref Vol:
1.0 mL - Min Vol:
0.5 mL - Fasting:
No - Spec Collect:
Do not use gel-barrier tubes for specimen collection
Routine venipuncture - Spec Process:
Serum sample tubes, clot 30 minutes
Promptly centrifuge 15 minutes
Immediately transfer serum or plasma to separate plastic tube - Spec Store Transport:
Refrigerated - Spec Stability:
After separation from cells:
2 days room temperature (20-30°C)
1 month refrigerated (2-8°C)
6 months frozen (-20°C) – Do not use frost-free units that undergo repeated freeze/thaw cycles - Methodology:
High Performance Liquid Chromatography (HPLC) - Use:
Evaluate toxicity
Monitor therapeutic levels - Reference Range:
No therapeutic range has been established
Interpretive Data:
The proposed therapeutic range for seizure control is 30-60 µg/mL. Pharmacokinetics varies widely, particularly with co-medications, age, and/or compromised renal function. No critical value has been defined. - Day Run:
Mon, Wed, Fri - Time Reported:
2-5 days - Test Type:
TOX-TDM
