Sign In
Labcorp Oklahoma, Inc.
Test Directory


Index:

Chlorpromazine (Thorazine) Level

Order Name THORAZINE
Test Number: 2008650
Revision Date 12/12/2022
Test Name Methodology LOINC Code
Chlorpromazine (Thorazine) Level
Liquid Chromatography/Tandem Mass Spectrometry 3471-0 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 2 mL (0.5 mL) Serum Clot Activator (Red Top, No-Gel) Refrigerated
Alternate 1 2 mL (0.5 mL) Plasma Lithium Heparin (Dark Green Top / No-Gel) Refrigerated
Alternate 2 2 mL (0.5 mL) Plasma EDTA (Lavender Top) Refrigerated
Instructions 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 separated serum or plasma to a plastic transport tube.
Specimen Stability: Ambient: 14 days, Refrigerated : 14 days, Frozen: 14 days
GENERAL INFORMATION
Expected TAT 3 - 5 days  
Performing Labcorp Test Code 072132 
Notes Labcorp Test Code: 072132
CPT Code(s) 80342
 
Lab Section Reference Lab