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Flecainide
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Ordering Recommendation
Optimize drug therapy and monitor patient adherence.
Mnemonic
Methodology
Quantitative Liquid Chromatography-Tandem Mass Spectrometry
Performed
Mon, Thu, Sat
Reported
1-5 days
New York DOH Approval Status
Specimen Required
Timing of specimen collection: Pre-dose (trough) draw - At steady state concentration.
Plain red. Also acceptable: Lavender (EDTA), pink (K2EDTA or K3EDTA), green (sodium or lithium heparin), or gray (sodium fluoride/potassium oxalate).
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)
Refrigerated.
Gel separator tubes or gels of any kind; drug loss is immediate and no testing will be performed.
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.
This 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.
Laboratory Developed Test (LDT)
Note
Hotline History
CPT Codes
80181
Components
| Component Test Code* | Component Chart Name | LOINC |
|---|---|---|
| 0090003 | Flecainide | 3638-4 |
Aliases
- Almarytm
- Apocard
- Ecrinal
- Flecaine
- Tambocor
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