Test Overview
Test Methodology

Liquid Chromatography Mass Spectrometry (LC-MS/MS)

Test Usage

Therapeutic drug monitoring: optomizing dosage, assessing toxicity, and monitoring compliance.

Reference Range *

0.2 - 1.0 mcg/mL

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details
Days Set Up
Varies; test performed once per week.
Analytic Time

1 day

Soft Order Code
FLEC
MiChart Code
Flecainide Level
Synonyms
  • FLEC
  • Flecainide, Plasma
  • Tambocor
Laboratory
Sendout
Reference Laboratory
Mayo FLEC (9243)
Section
Special Testing
Specimen Requirements
Collection

Must be spun and aliquotted within 2 hours of collection.

Collection Instructions

Collect specimen in a red top tube; do not use SST tube. Centrifuge, aliquot serum into a plastic vial and refrigerate within 2 hours of collection.

Rejection Criteria
SST tube not acceptable.
Yellow Top Tube
Red Top Tube
Normal Volume
1.5 mL serum
Minimum Volume
1.1 mL serum
Additional Information

Flecainide is a Class I cardiac antiarrhythmic agent with electrophysiologic properties similar to lidocaine, quinidine, procainamide, and tocainide. Test sent to Mayo Medical Laboratories.

Billing
CPT Code
80299
Fee Code
20016
LOINC
3638-4
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