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Flecainide
0090003
Ordering Recommendation

Optimize drug therapy and monitor patient adherence.

Mnemonic
FLEC
Methodology
Quantitative Liquid Chromatography-Tandem Mass Spectrometry
Performed
Mon, Thu, Sat
Reported
1-5 days
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
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.

Compliance Statement B: For laboratory developed tests not using a RUO kit, and for FDA approved, cleared or 510(k) exempt assays with alterations. 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.

Note
Hotline History
N/A
Components
Component Test Code*Component Chart NameLOINC
0090003Flecainide3638-4
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Almarytm
  • Apocard
  • Ecrinal
  • Flecaine
  • Tambocor