Flecainide
0090003
 
Ordering Recommendation
Mnemonic
FLEC
Methodology
Quantitative Liquid Chromatography-Tandem Mass Spectrometry
Performed
Tue, Thu, Sat
Reported
1-5 days
New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Timing of specimen collection: Pre-dose (trough) draw - At steady state concentration.  
Collect
Plain red. Also acceptable: Lavender (EDTA), pink (K2EDTA or K3EDTA), green (sodium or lithium heparin), or gray (sodium fluoride/potassium oxalate).  
Specimen Preparation
Separate serum or plasma from cells within 6 hours of collection. Transfer 2 mL serum to an ARUP Standard Transport Tube. (Min: 0.5 mL)  
Storage/Transport Temperature
Refrigerated.  
Unacceptable Conditions
Gel separator tubes or gels of any kind; drug loss is immediate and no testing will be performed.  
Remarks
 
Stability
After separation from cells: Ambient: 6 weeks; Refrigerated: 6 weeks; Frozen: 6 weeks  
Reference Interval
Therapeutic Range:
0.20-1.00 µg/mL
Toxic: > 1.50 µg/mL
Interpretive Data
Toxic concentrations may cause cardiac abnormalities, hypotension and seizure.
Note
CPT Code(s)
80299
Components
Component Test Code*Component Chart Name
0090003Flecainide
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, contact interface support at interface.support@aruplab.com.
Cross References
  • Almarytm
  • Apocard
  • Ecrinal
  • Flecaine
  • Tambocor