91353      Felbamate
Specimen:
  Collect: One 10 mL Red Top

Also Acceptable
One 4 mL Lavender (EDTA)
One 4 mL Green Top (Na Heparin)
One 4 mL Gray Top 
  Submit: 1 mL (Min:0.5 mL) Serum. Submit Refrigerated. Submit in a Standard Transport Tube.

Also Acceptable
1 mL (Min:0.5 mL) Plasma. Submit Refrigerated. Submit in a Standard Transport Tube. 
  Rejection Criteria: Use of separator tubes 
  Stability: Ambient: 2 Day(s); Refrigerated: 1 Month(s); Frozen: 6 Month(s); Incubated: Unacceptable 
Methodology: High performance liquid chromatography (HPLC) 
Performed: Monday, Friday 
Reported: 2-5 Day(s) 
CPT Codes:
82491 - Chromatography, Column
Interpretive Data:
The proposed therapeutic range for seizure control is 30-60 ug/mL. Pharmacokinetics vary widely, particularly with co-medications, age, and/or compromised renal function. No critical value has been defined.