Felbamate Level


Sunquest Code:FELBAM  
Epic Code:LAB7013Epic Name:Felbamate Level
Synonyms:Felbatol
Methodology:Liquid chromatography/Tandem mass spectrometry
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported within 1-4 days.
Compliance:

This test was developed and its performance characteristics determined by ARUP Laboratories. The U.S. Food and Drug Administration has not approved or cleared this test; however, FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions.



Collection Instructions

Specimen:Blood
Optimal Volume:2 mL
Minimum\Peds Volume:1.2 mL
Container:Red (no gel) (Green (sodium heparin, no gel), Purple (EDTA))
Collection Instructions:Trough level preferred.


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

Reference Range:Toxic Range: Greater than 120 ug/mL

Therapeutic Range: 30-60 ug/mL. 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.
Use:Optimize drug therapy and monitor patient adherence.


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