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 Test Performed

Varies; test performed once per week.

Analytic Time

1 day

Soft Order Code

FLEC

MiChart Code

Flecainide Level

Synonyms

Synonyms

FLEC
Flecainide, Plasma
Tambocor

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Laboratory

Sendout

Laboratory Reference

Mayo FLEC (9243)

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Specimen Requirements

Offsite 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.

Container

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 Information

Fee Codes


CPT Code

80299

LOINC

3638-4

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