Flecainide Level


Abbrev Code:FLEC   
Order Code:LAB1157Order Name:Flecainide
Synonyms:Tambocor; Flecaine
Methodology:Quantitative liquid chromatography/Tandem mass spectrometry
CPT Codes: 80181 x1, 80181 x1
Turnaround Time:Specimens are sent to reference laboratory Mon-Fri; results are reported within 3 days.
Compliance:

This test uses a manufacturer labeled Analyte Specific Reagent (ASR) as the reagent providing the specificity of the assay. The test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.



Collection Instructions

Specimen:Blood
Optimal Volume:4 mL
Minimum\Peds Volume:1.2 mL
Container:Red (no gel)
Alternate Containers: Green (lithium heparin, no gel), Green (sodium heparin, no gel), Purple (EDTA)
Collection Instructions:Timing of specimen collection: Pre-dose (trough) draw - at steady state concentration.
Causes for Rejection:Gel separator tubes or gels of any kind; drug loss is immediate and no testing will be performed.


Processing and Shipping

Specimen Processing:Centrifuge and separate serum/plasma from cells within 6 hours of collection. Aliquot 2 mL, 0.5 mL minimum. Store at refrigerated temperature.
Shipping Instructions:Ship at refrigerated temperature.
Stability:After separation from cells: 6 weeks at room temperature, refrigerated or frozen.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:0090003


Interpretive

Critical Range:Toxic range: >1.50 ug/mL.
Toxic concentrations may cause cardiac abnormalities, hypotension and seizure.
Therapeutic Range:0.20 - 1.00 ug/mL
Use:Optimize drug therapy and monitor patient adherence.


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