91177      Paroxetine
Specimen:
  Collect: One 10 mL Red Top

Also Acceptable
One 4 mL Lavender (EDTA) 
  Submit: 2 mL (Min:0.5 mL) Serum. Submit Ambient. Submit in a Standard Transport Tube.

Also Acceptable
2 mL (Min:0.5 mL) Plasma. Submit Ambient. Submit in a Standard Transport Tube. 
  Special Handling: Separate from cells ASAP 
  Rejection Criteria: Use of separator tubes 
  Stability: Ambient: 1 Week(s); Refrigerated: 11 Day(s); Frozen: 19 Month(s); Incubated: Unacceptable 
Methodology: Chromatography; Gas Chromatography (GC) 
Performed:  
Reported:  
CPT Codes:
82491 - Chromatography, Column
Interpretive Data:
Reporting Limit: 2.0 ng/ml
Trough steady-state plasma levels in adult patients have great inter-individual variability.
The following steady-state data is from patients on a daily single dose regimen and represent the mean +/- 1SD
20 mg/day = 49 +/- 26
30 mg/day = 86 +/- 61
40 mg/day = 129 +/- 86
50 mg/day = 117 +/- 90