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Labcorp Oklahoma, Inc.
Test Directory


Index:

Fluphenazine, Serum or Plasma

Order Name Fluphenazine Lvl
Test Number: 6905015
Revision Date 12/12/2022
Test Name Methodology LOINC Code
Fluphenazine, Serum or Plasma
Quant Liquid Chromatography-Tandem Mass Spectrometry 3650-9 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 2 mL (1 mL) Serum Clot Activator (Red Top, No-Gel) Room Temperature
Alternate 1 2 mL (1 mL) Plasma Lithium Heparin PST (Light Green Top) Room Temperature
Instructions Timing of specimen collection: Pre-dose (trough) draw - At steady state concentration.
Specimen Type: Red-top tube, lavender-top (EDTA) tube OR green-top (heparin) tube. DO NOT USE A GEL-BARRIER TUBE. The use of gel-barrier tubes is not recommended due to slow absorption of the drug by the gel. Depending on the specimen volume and storage time, the decrease in drug level due to absorption may be clinically significant.
Specimen Storage: Room Temperature
Specimen Collection: Transfer serum or plasma to a transport tube with plastic stopper within 45 minutes of collection.
Specimen Stability: Ambient: 14 days, Refrigerated : 14 days, Frozen: 14 days
GENERAL INFORMATION
Expected TAT 3 - 4 days  
Performing Labcorp Test Code 706887 
Notes Labcorp Test Code: 706887
CPT Code(s) 80342
Lab Section Reference Lab