Flucytosine, serum/plasma

Alphabetical Test listing

Flucytosine, serum/plasma-994

Test name:

Test number:

994

Excellian order number:

LAB994

Abbreviation:

MSO

Alternate names:

5-FC
5-Fluorocytosine
Ancobon

Useful for:

Therapeutic drug monitoring

Specimen type:

Serum

Collection container:

Red serum vial/tube, 5 mL

Volume:

1.0 mL

Minimum volume:

0.25 mL

Processing instructions:

Allow sample to clot
Spin
Transfer serum to a Transfer vial/tube with cap - 12mL (LabCorp), labelled as serum, within two (2) hours of sample collection

Transport container:

Transfer vial/tube with cap - 12mL (LabCorp)

Alternate specimen type:

EDTA plasma

Alternate collection container:

Lavender (EDTA), 4mL

Alternate collection instructions:

Immediatley following collection, mix sample thoroughly by gently inverting 8 - 10, times to prevent clotting

Alternate processing instructions:

Spin
Transfer plasma to a Transfer vial/tube with cap - 12mL (LabCorp), labelled as EDTA plasma, within two (2) hours of sample collection

Transport and stability:

Refrigerated (preferred) - 30 days

Ambient - 30 days

Frozen - 30 days

Reason for rejection:

Gel-barrier tube

Performing lab:

National Medical Services (2085SP) via LabCorp (804705): R-NX

Days set up:

TAT:

4 - 10 days

Method:

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

Reference ranges:

Target therapeutic range: 25 to 100 µg/mL

CPT codes:

80375

LOINC code:

Result 3639-2

Date created:

05/29/2019

Revised date:

03/25/2020

Review date:

08/18/2022