Flecainide
Ordering Recommendation
Optimize drug therapy and monitor patient adherence.
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
Methodology
Quantitative Liquid Chromatography-Tandem Mass Spectrometry
Performed
Mon, Thu, Sat
Reported
1-8 days
Reference Interval
| Test Number |
Components |
Reference Interval |
|---|---|---|
| Flecainide | Therapeutic Range: 0.20-1.00 ug/mL Toxic: > 1.50 ug/mL |
Interpretive Data
Toxic concentrations may cause cardiac abnormalities, hypotension and seizure.
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
















