Days Set Up
Monday - Friday
Analytic Time

1 - 3 days

MiChart Code
5-Flucytosine Level
Soft Order Code
FLUC

Test Updated:

Synonyms

5-Fluorocytosine
Flucytosine
Ancoban
5-Flucytosine
Fluorocytosine
5-FC

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Find a Requisition

All specimens should be accompanied by a requisition.

Submitting Specimens

Learn about how to properly label and where to ship specimens.

Order Kits and Supplies

MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

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Test Overview

Test Methodology

Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)

Test Usage

Determining the level of antimicrobial in serum from treated patients.

Reference Range

Peak: >25 mcg/mL, Toxic: >100 mcg/mL.

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

Specimen Requirements

Collection Onsite

Collect specimen in a red top tube. Do not use SST tube. Serum for a peak level should be drawn 30 minutes after completion of infusion of an intravenous dose or 1 - 2 hours after an oral dose. Trough specimens should be drawn immediately prior to next scheduled dose.

Collection Offsite

Collect specimen in a red top tube; do not use SST tube. Centrifuge, aliquot serum into a plastic vial within 2 hours of collection and refrigerate (preferred) or freeze. Serum for a peak level should be drawn 30 minutes after completion of infusion of an intravenous dose or 1 - 2 hours after an oral dose; trough specimens should be drawn immediately prior to next scheduled dose.

Yellow Top Tube
Red Top Tube
Normal Volume
1 mL serum
Minimum Volume
0.5 mL serum

Billing Information

CPT Code
80299
Pro Fee Code
 
LOINC
 

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.