Felbamate Level


Abbrev Code:FELBAM   
Order Code:LAB7013Order Name:Felbamate Level
Synonyms:Felbatol
Methodology:Liquid chromatography/Tandem mass spectrometry
CPT Codes: 80167 x1
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported within 1-4 days.
Compliance:

For tests developed and validated by ARUP (previously referred to as Compliance Statement B, C or D). This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the U.S. Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.



Collection Instructions

Specimen:Blood
Optimal Volume:2 mL
Minimum\Peds Volume:1.2 mL
Container:Red (no gel)
Alternate Containers: Green (sodium heparin, no gel), Purple (EDTA)
Collection Instructions:Timing of specimen collection: Pre-dose (trough) draw - At steady state concentration.


Processing and Shipping

Specimen Processing:Centrifuge and aliquot 1 mL, 0.5 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Stability:After separation from cells: 48 hours at room temperature; 1 month refrigerated; 6 months frozen.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:94030


Interpretive

Critical Range:Toxic Range: Greater than or equal to 100 ug/mL
Therapeutic Range:30-60 ug/mL
Use:Felbamate is indicated for treatment of epilepsy. The therapeutic range is based on serum, predose (trough) draw collection at a steady-state concentration.
 Pharmacokinetics may be variable due to age, co-medications, and/or compromised renal function. Felbamate use may increase incidence of liver failure and aplastic anemia.


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