Methodology
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Synonyms
5-Flucytosine, Antimicrobial Assay; 5-Fluorocystosine; Ancobon (Flucytosine); Antimicrobial Assay, 5-Flucytosine; Flucytosine (Ancobon); Fluorocytosine
Specimen Type
Serum
Performing Lab
Mayo Medical Lab
Epic ID
Other Reference Test
Lab Test Days
Tuesday and Thursday; 3 P.M.
Standard TAT
3-8 Days
Collection Information
Specimen Required
1 mL Blood
Container Type
Red Top (No Additive)
Collection Instructions
Serum of peak level should be drawn 1-2 hours after oral dose or 30 minutes after intravenous infusion. Trough specimens should be drawn immediately prior to next schedule dose.
Processing Information - Lab Use Only
Transport Temperature
Refrigerate-OK/Frozen-OK/Ambient-OK
Specimen Stability
Room Temp=28 Days; Refrigerated=28 Days (Preferred); Frozen=28 Days
Rejection Criteria
Whole Blood
Test Volume Required
0.5 mL Serum
Minimum Test Volume
0.3 mL Serum
Processing Instructions
Separate serum within in 2 hours of collection. Order in Mayolink and send with Mayo courier Monday-Friday.
CPT Codes
80299
Revised
03-11-22
Initials
SA